common.h

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/*
   Copyright (C) 2002-2012, 2014-2016 Free Software Foundation, Inc.
   Written by Keisuke Nishida, Roger While, Simon Sobisch, Ron Norman

   This file is part of GnuCOBOL.

   The GnuCOBOL runtime library is free software: you can redistribute it
   and/or modify it under the terms of the GNU Lesser General Public License
   as published by the Free Software Foundation, either version 3 of the
   License, or (at your option) any later version.

   GnuCOBOL is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with GnuCOBOL.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef COB_COMMON_H
#define COB_COMMON_H

/* General type defines */
#define cob_c8_t        char
#define cob_s8_t        signed char
#define cob_u8_t        unsigned char
#define cob_s16_t       short
#define cob_u16_t       unsigned short
#define cob_s32_t       int
#define cob_u32_t       unsigned int
#define cob_sli_t       long int
#define cob_uli_t       unsigned long int

#if defined(_WIN32) && !defined(__MINGW32__) && !defined(__MINGW64__)

#define cob_s64_t       __int64
#define cob_u64_t       unsigned __int64

#define COB_S64_C(x)        x ## I64
#define COB_U64_C(x)        x ## UI64
#define CB_FMT_LLD      "%I64d"
#define CB_FMT_LLU      "%I64u"
#define CB_FMT_PLLD     "%+*.*I64d"
#define CB_FMT_PLLU     "%*.*I64u"
#define CB_FMT_LLD_F        "%I64dI64"
#define CB_FMT_LLU_F        "%I64uUI64"

#else

#define cob_s64_t       long long
#define cob_u64_t       unsigned long long

#define COB_S64_C(x)        x ## LL
#define COB_U64_C(x)        x ## ULL
#define CB_FMT_LLD      "%lld"
#define CB_FMT_LLU      "%llu"
#define CB_FMT_PLLD     "%+*.*lld"
#define CB_FMT_PLLU     "%*.*llu"
#define CB_FMT_LLD_F        "%lldLL"
#define CB_FMT_LLU_F        "%lluULL"

#endif

#define cob_c8_ptr      cob_c8_t *
#define cob_u8_ptr      cob_u8_t *
#define cob_s8_ptr      cob_s8_t *
#define cob_u16_ptr     cob_u16_t *
#define cob_s16_ptr     cob_s16_t *
#define cob_u32_ptr     cob_u32_t *
#define cob_s32_ptr     cob_s32_t *
#define cob_u64_ptr     cob_u64_t *
#define cob_s64_ptr     cob_s64_t *

#define cob_void_ptr        void *
#define cob_field_ptr       cob_field *
#define cob_file_ptr        cob_file *
#define cob_module_ptr      cob_module *
#define cob_screen_ptr      cob_screen *
#define cob_file_key_ptr    cob_file_key *

/* Readable compiler version defines */

#if defined(_MSC_VER)
#if _MSC_VER >= 1400
#define COB_USE_VC2005_OR_GREATER 1
#else
#define COB_USE_VC2005_OR_GREATER 0
#endif

#if _MSC_VER >= 1500
#define COB_USE_VC2008_OR_GREATER 1
#else
#define COB_USE_VC2008_OR_GREATER 0
#endif

#if _MSC_VER >= 1800
#define COB_USE_VC2013_OR_GREATER 1
#else
#define COB_USE_VC2013_OR_GREATER 0
#endif
#endif

/* Byte swap functions */

/*
   The original idea for the byteswap routines was taken from GLib.
   (Specifically glib/gtypes.h)
   GLib is licensed under the GNU Lesser General Public License.
*/

/* Generic swapping functions */

#undef  COB_BSWAP_16_CONSTANT
#undef  COB_BSWAP_32_CONSTANT
#undef  COB_BSWAP_64_CONSTANT
#undef  COB_BSWAP_16
#undef  COB_BSWAP_32
#undef  COB_BSWAP_64

#define COB_BSWAP_16_CONSTANT(val)  ((cob_u16_t) (      \
    (((cob_u16_t)(val) & (cob_u16_t) 0x00FFU) << 8) |       \
    (((cob_u16_t)(val) & (cob_u16_t) 0xFF00U) >> 8)))

#define COB_BSWAP_32_CONSTANT(val)  ((cob_u32_t) (      \
    (((cob_u32_t) (val) & (cob_u32_t) 0x000000FFU) << 24) | \
    (((cob_u32_t) (val) & (cob_u32_t) 0x0000FF00U) <<  8) | \
    (((cob_u32_t) (val) & (cob_u32_t) 0x00FF0000U) >>  8) | \
    (((cob_u32_t) (val) & (cob_u32_t) 0xFF000000U) >> 24)))

#define COB_BSWAP_64_CONSTANT(val)  ((cob_u64_t) (      \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x00000000000000FF)) << 56) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x000000000000FF00)) << 40) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x0000000000FF0000)) << 24) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x00000000FF000000)) <<  8) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x000000FF00000000)) >>  8) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x0000FF0000000000)) >> 24) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0x00FF000000000000)) >> 40) |   \
    (((cob_u64_t) (val) &                   \
      (cob_u64_t) COB_U64_C(0xFF00000000000000)) >> 56)))

/* Machine/OS specific overrides */

#ifdef  __GNUC__

#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)

#define COB_BSWAP_16(val) (COB_BSWAP_16_CONSTANT (val))
#define COB_BSWAP_32(val) (__builtin_bswap32 (val))
#define COB_BSWAP_64(val) (__builtin_bswap64 (val))

#elif   defined(__i386__)

#define COB_BSWAP_16(val) (COB_BSWAP_16_CONSTANT (val))
#define COB_BSWAP_32(val)                   \
       (__extension__                       \
    ({ register cob_u32_t __v,              \
         __x = ((cob_u32_t) (val));             \
       if (__builtin_constant_p (__x))          \
         __v = COB_BSWAP_32_CONSTANT (__x);         \
       else                         \
         __asm__ ("bswap %0"                \
              : "=r" (__v)              \
              : "0" (__x));             \
        __v; }))
#define COB_BSWAP_64(val)                   \
       (__extension__                       \
    ({ union { cob_u64_t __ll;              \
           cob_u32_t __l[2]; } __w, __r;        \
       __w.__ll = ((cob_u64_t) (val));          \
       if (__builtin_constant_p (__w.__ll))         \
         __r.__ll = COB_BSWAP_64_CONSTANT (__w.__ll);   \
       else                         \
         {                          \
           __r.__l[0] = COB_BSWAP_32 (__w.__l[1]);      \
           __r.__l[1] = COB_BSWAP_32 (__w.__l[0]);      \
         }                          \
       __r.__ll; }))

#elif defined (__ia64__)

#define COB_BSWAP_16(val) (COB_BSWAP_16_CONSTANT (val))
#define COB_BSWAP_32(val)                   \
       (__extension__                       \
     ({ register cob_u32_t __v,             \
          __x = ((cob_u32_t) (val));            \
        if (__builtin_constant_p (__x))         \
          __v = COB_BSWAP_32_CONSTANT (__x);        \
        else                        \
         __asm__ __volatile__ ("shl %0 = %1, 32 ;;"     \
                   "mux1 %0 = %0, @rev ;;"  \
                    : "=r" (__v)        \
                    : "r" (__x));       \
        __v; }))
#define COB_BSWAP_64(val)                   \
       (__extension__                       \
    ({ register cob_u64_t __v,              \
         __x = ((cob_u64_t) (val));             \
       if (__builtin_constant_p (__x))          \
         __v = COB_BSWAP_64_CONSTANT (__x);         \
       else                         \
         __asm__ __volatile__ ("mux1 %0 = %1, @rev ;;"  \
                   : "=r" (__v)         \
                   : "r" (__x));        \
       __v; }))

#elif defined (__x86_64__)

#define COB_BSWAP_16(val) (COB_BSWAP_16_CONSTANT (val))
#define COB_BSWAP_32(val)                   \
      (__extension__                        \
    ({ register cob_u32_t __v,              \
         __x = ((cob_u32_t) (val));             \
       if (__builtin_constant_p (__x))          \
         __v = COB_BSWAP_32_CONSTANT (__x);         \
       else                         \
        __asm__ ("bswapl %0"                \
             : "=r" (__v)               \
             : "0" (__x));              \
       __v; }))
#define COB_BSWAP_64(val)                   \
       (__extension__                       \
    ({ register cob_u64_t __v,              \
         __x = ((cob_u64_t) (val));             \
       if (__builtin_constant_p (__x))          \
         __v = COB_BSWAP_64_CONSTANT (__x);         \
       else                         \
         __asm__ ("bswapq %0"               \
              : "=r" (__v)              \
              : "0" (__x));             \
       __v; }))

#else /* Generic gcc */

#define COB_BSWAP_16(val) (COB_BSWAP_16_CONSTANT (val))
#define COB_BSWAP_32(val) (COB_BSWAP_32_CONSTANT (val))
#define COB_BSWAP_64(val) (COB_BSWAP_64_CONSTANT (val))

#endif

#elif defined(_MSC_VER) && COB_USE_VC2005_OR_GREATER

#define COB_BSWAP_16(val) (_byteswap_ushort (val))
#define COB_BSWAP_32(val) (_byteswap_ulong (val))
#define COB_BSWAP_64(val) (_byteswap_uint64 (val))

#else /* Generic */

#define COB_BSWAP_16(val) (COB_BSWAP_16_CONSTANT (val))
#define COB_BSWAP_32(val) (COB_BSWAP_32_CONSTANT (val))
#define COB_BSWAP_64(val) (COB_BSWAP_64_CONSTANT (val))

#endif

/* End byte swap functions */

/* Compiler characteristics */

#ifdef  _MSC_VER

#ifndef _CRT_SECURE_NO_DEPRECATE
#define _CRT_SECURE_NO_DEPRECATE    1
#endif
#include <malloc.h>
#include <io.h>
#include <fcntl.h>

/* Disable certain warnings */
/* Deprecated functions */
#pragma warning(disable: 4996)
/* Function declarations without parameter list */
#pragma warning(disable: 4255)

#define strncasecmp     _strnicmp
#define strcasecmp      _stricmp
#define snprintf        _snprintf
#define getpid          _getpid
#define access          _access
#if defined COB_USE_VC2005_OR_GREATER
/* remark: _putenv_s always overwrites, add a check for overwrite = 1 if necessary later*/
#define setenv(name,value,overwrite)    _putenv_s(name,value)
#define unsetenv(name)                  _putenv_s(name,"")
#endif
#if defined COB_USE_VC2013_OR_GREATER
#define timezone            _timezone
#endif

#define __attribute__(x)

#ifdef  S_ISDIR
#undef  S_ISDIR
#endif
#define S_ISDIR(x)      (((x) & _S_IFMT) == _S_IFDIR)

#ifdef  S_ISREG
#undef  S_ISREG
#endif
#define S_ISREG(x)      (((x) & _S_IFMT) == _S_IFREG)

#ifndef _M_IA64
#ifdef  _WIN64
#define __x86_64__
#else
#define __i386__
#endif
#endif

#endif

#ifdef __BORLANDC__
#include <io.h>
#define _timeb      timeb
#define _ftime(a)   ftime(a)
#define strncasecmp strnicmp
#define strcasecmp  stricmp
#define _setmode    setmode
#define _chdir      chdir
#endif

#include <setjmp.h>

#if (defined(_WIN32) || defined(__CYGWIN__)) && !defined(__clang__)
#ifdef  COB_LIB_EXPIMP
    #define COB_EXPIMP  __declspec(dllexport) extern
#else
    #define COB_EXPIMP  __declspec(dllimport) extern
#endif
#else
    #define COB_EXPIMP  extern
#endif

#if defined(__370__) || defined(_MSC_VER) || defined(__DECC) || \
    defined(__BORLANDC__) || defined(__WATCOMC__)
    #define COB_INLINE  __inline
#elif   defined(__INTEL_COMPILER)
    /* icc */
    #define COB_INLINE  inline
#elif   defined(__GNUC__)
    /* gcc */
    #define COB_INLINE  __inline__
#elif   defined(__STDC_VERSION__) && __STDC_VERSION__ > 199900L
    /* C99 and C++ */
    #define COB_INLINE  inline
#elif   defined(COB_KEYWORD_INLINE)
    #define COB_INLINE  COB_KEYWORD_INLINE
#else
    #define COB_INLINE
#endif

/* Also OK for icc which defines __GNUC__ */

#if defined(__GNUC__) || (defined(__xlc__) && __IBMC__ >= 700)
#define COB_A_NORETURN  __attribute__((noreturn))
#define COB_A_FORMAT12  __attribute__((format(printf, 1, 2)))
#define COB_A_FORMAT23  __attribute__((format(printf, 2, 3)))
#define COB_A_FORMAT34  __attribute__((format(printf, 3, 4)))
#define COB_A_FORMAT45  __attribute__((format(printf, 4, 5)))
#else
#define COB_A_NORETURN
#define COB_A_FORMAT12
#define COB_A_FORMAT23
#define COB_A_FORMAT34
#define COB_A_FORMAT45
#endif

#ifdef  _MSC_VER
#define DECLNORET   __declspec(noreturn)
#else
#define DECLNORET
#endif

#if defined(__GNUC__)
#define optim_memcpy(x,y,z) __builtin_memcpy (x, y, z)
#else
#define optim_memcpy(x,y,z) memcpy (x, y, z)
#endif

#if defined(__GNUC__) && (__GNUC__ >= 3)
#define likely(x)   __builtin_expect((long int)!!(x), 1L)
#define unlikely(x) __builtin_expect((long int)!!(x), 0L)
#define COB_A_MALLOC    __attribute__((malloc))
#define COB_HAVE_STEXPR 1

#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
#define COB_NOINLINE    __attribute__((noinline))
#define COB_A_INLINE    __attribute__((always_inline))
#else
#define COB_NOINLINE
#define COB_A_INLINE
#endif

#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)
#define COB_A_COLD  __attribute__((cold))
#else
#define COB_A_COLD
#endif

#elif   defined(__xlc__) && __IBMC__ >= 700

#if __IBMC__ >= 900
#define likely(x)   __builtin_expect((long int)!!(x), 1L)
#define unlikely(x) __builtin_expect((long int)!!(x), 0L)
#else
#define likely(x)   (x)
#define unlikely(x) (x)
#endif
#define COB_NOINLINE    __attribute__((noinline))
#define COB_A_INLINE    __attribute__((always_inline))
#define COB_A_MALLOC
#define COB_A_COLD
#if __IBMC__ >= 800
#define COB_HAVE_STEXPR 1
#else
#undef  COB_HAVE_STEXPR
#endif

#elif   defined(__SUNPRO_C) && __SUNPRO_C >= 0x590

#define likely(x)   (x)
#define unlikely(x) (x)
#define COB_A_MALLOC    __attribute__((malloc))
#define COB_NOINLINE    __attribute__((noinline))
#define COB_A_INLINE    __attribute__((always_inline))
#define COB_A_COLD
#define COB_HAVE_STEXPR 1

#else

#define likely(x)   (x)
#define unlikely(x) (x)
#define COB_A_MALLOC
#define COB_NOINLINE
#define COB_A_INLINE
#define COB_A_COLD
#undef  COB_HAVE_STEXPR

#endif

/* Prevent unwanted verbosity when using icc */
#ifdef  __INTEL_COMPILER

/* Unreachable code */
#pragma warning ( disable : 111 )
/* Declared but never referenced */
#pragma warning ( disable : 177 )
/* Format conversion */
#pragma warning ( disable : 181 )
/* Enumerated type mixed with other type */
#pragma warning ( disable : 188 )
/* #undefine tested for zero */
#pragma warning ( disable : 193 )
/* Set but not used */
#pragma warning ( disable : 593 )
/* Parameter not referenced */
#pragma warning ( disable : 869 )
/* Operands are evaluated in unspecified order */
#pragma warning ( disable : 981 )
/* Missing return at end of non-void function */
/* Note - occurs because we have a non-returning abort call in cobc */
#pragma warning ( disable : 1011 )
/* Declaration in same source as definition */
#pragma warning ( disable : 1419 )
/* Shadowed variable - 1599 and 1944 are essentially the same */
#pragma warning ( disable : 1599 )
#pragma warning ( disable : 1944 )
/* Possible loss of precision */
#pragma warning ( disable : 2259 )

#endif

#if !defined(__i386__) && !defined(__x86_64__) && !defined(__powerpc__) && !defined(__powerpc64__) && !defined(__ppc__) && !defined(__amd64__)
    #define COB_NON_ALIGNED
    /* Some DEC Alphas can only load shorts at 4-byte aligned addresses */
    #ifdef  __alpha
        #define COB_SHORT_BORK
    #endif
    #if defined(_MSC_VER)
        #define COB_ALLOW_UNALIGNED
    #else
        #define __unaligned
    #endif
#else
    #define COB_ALLOW_UNALIGNED
    #define __unaligned
#endif



#if defined(_MSC_VER) || defined(__WATCOMC__) || defined(__BORLANDC__)
#define PATHSEP_CHAR (char) ';'
#define PATHSEP_STR (char *) ";"
#else
#define PATHSEP_CHAR (char) ':'
#define PATHSEP_STR (char *) ":"
#endif

#ifndef _WIN32
#define SLASH_CHAR  (char) '/'
#define SLASH_STR   (char *) "/"
#else
#define SLASH_CHAR  (char) '\\'
#define SLASH_STR   (char *) "\\"
#endif

/* End compiler stuff */

/* EBCDIC determination */

#if ' ' == 0x40
#define COB_EBCDIC_MACHINE
#else
#undef  COB_EBCDIC_MACHINE
#endif

/* Macro to prevent compiler warning "conditional expression is constant" */
#if defined (_MSC_VER) && _MSC_VER >= 1500
#define ONCE_COB \
__pragma( warning(push) ) \
__pragma( warning(disable:4127) ) \
while (0) \
__pragma( warning(pop) )
#else
#define ONCE_COB while (0)
#endif

/* Macro to prevent unused parameter warning */

#define COB_UNUSED(z)   do { (void)(z); } ONCE_COB

/* Buffer size definitions */

#define COB_MINI_BUFF       256
#define COB_SMALL_BUFF      1024
#define COB_NORMAL_BUFF     2048
#define COB_FILE_BUFF       4096
#define COB_MEDIUM_BUFF     8192
#define COB_LARGE_BUFF      16384
#define COB_MINI_MAX        (COB_MINI_BUFF - 1)
#define COB_SMALL_MAX       (COB_SMALL_BUFF - 1)
#define COB_NORMAL_MAX      (COB_NORMAL_BUFF - 1)
#define COB_FILE_MAX        (COB_FILE_BUFF - 1)
#define COB_MEDIUM_MAX      (COB_MEDIUM_BUFF - 1)
#define COB_LARGE_MAX       (COB_LARGE_BUFF - 1)

/* Perform stack size */
#define COB_STACK_SIZE      255

/* Maximum size of file records */
#define MAX_FD_RECORD       65535

/* Maximum number of parameters, possible values: 16,36,56,76,96 */
#define COB_MAX_FIELD_PARAMS    36  /* ToDo: move to config.h */

/* Maximum number of field digits */
#define COB_MAX_DIGITS      38

/* Maximum digits in binary field */
#define COB_MAX_BINARY      39

/* Maximum digits in binary field */
#define COB_MAX_FIELD_SIZE  268435456

/* Maximum number of cob_decimal structures */
#define COB_MAX_DEC_STRUCT  32

/* Maximum length of COBOL words */
#define COB_MAX_WORDLEN     61

/* Memory size for sorting */
#define COB_SORT_MEMORY     128 * 1024 * 1024
#define COB_SORT_CHUNK      256 * 1024

/* Program return types */
#define COB_RET_TYPE_INT    0
#define COB_RET_TYPE_PTR    1
#define COB_RET_TYPE_VOID   2

/* Fold case types */
#define COB_FOLD_UPPER      1
#define COB_FOLD_LOWER      2

/* Locale types */
#define COB_LC_COLLATE      0
#define COB_LC_CTYPE        1
#define COB_LC_MESSAGES     2
#define COB_LC_MONETARY     3
#define COB_LC_NUMERIC      4
#define COB_LC_TIME     5
#define COB_LC_ALL      6
#define COB_LC_USER     7
#define COB_LC_CLASS        8

/* Field types */

#define COB_TYPE_UNKNOWN        0x00
#define COB_TYPE_GROUP          0x01U
#define COB_TYPE_BOOLEAN        0x02U

#define COB_TYPE_NUMERIC        0x10U
#define COB_TYPE_NUMERIC_DISPLAY    0x10U
#define COB_TYPE_NUMERIC_BINARY     0x11U
#define COB_TYPE_NUMERIC_PACKED     0x12U
#define COB_TYPE_NUMERIC_FLOAT      0x13U
#define COB_TYPE_NUMERIC_DOUBLE     0x14U
#define COB_TYPE_NUMERIC_L_DOUBLE   0x15U
#define COB_TYPE_NUMERIC_FP_DEC64   0x16U
#define COB_TYPE_NUMERIC_FP_DEC128  0x17U
#define COB_TYPE_NUMERIC_FP_BIN32   0x18U
#define COB_TYPE_NUMERIC_FP_BIN64   0x19U
#define COB_TYPE_NUMERIC_FP_BIN128  0x1AU

#define COB_TYPE_NUMERIC_EDITED     0x24U

#define COB_TYPE_ALPHANUMERIC       0x21U
#define COB_TYPE_ALPHANUMERIC_ALL   0x22U
#define COB_TYPE_ALPHANUMERIC_EDITED    0x23U

#define COB_TYPE_NATIONAL       0x40U
#define COB_TYPE_NATIONAL_EDITED    0x41U

/* Field flags */

#define COB_FLAG_HAVE_SIGN      (1U << 0)   /* 0x0001 */
#define COB_FLAG_SIGN_SEPARATE      (1U << 1)   /* 0x0002 */
#define COB_FLAG_SIGN_LEADING       (1U << 2)   /* 0x0004 */
#define COB_FLAG_BLANK_ZERO     (1U << 3)   /* 0x0008 */
#define COB_FLAG_JUSTIFIED      (1U << 4)   /* 0x0010 */
#define COB_FLAG_BINARY_SWAP        (1U << 5)   /* 0x0020 */
#define COB_FLAG_REAL_BINARY        (1U << 6)   /* 0x0040 */
#define COB_FLAG_IS_POINTER     (1U << 7)   /* 0x0080 */
#define COB_FLAG_NO_SIGN_NIBBLE     (1U << 8)   /* 0x0100 */
#define COB_FLAG_IS_FP          (1U << 9)   /* 0x0200 */
#define COB_FLAG_REAL_SIGN      (1U << 10)  /* 0x0400 */
#define COB_FLAG_BINARY_TRUNC       (1U << 11)  /* 0x0800 */

#define COB_FIELD_HAVE_SIGN(f)      ((f)->attr->flags & COB_FLAG_HAVE_SIGN)
#define COB_FIELD_SIGN_SEPARATE(f)  ((f)->attr->flags & COB_FLAG_SIGN_SEPARATE)
#define COB_FIELD_SIGN_LEADING(f)   ((f)->attr->flags & COB_FLAG_SIGN_LEADING)
#define COB_FIELD_BLANK_ZERO(f)     ((f)->attr->flags & COB_FLAG_BLANK_ZERO)
#define COB_FIELD_JUSTIFIED(f)      ((f)->attr->flags & COB_FLAG_JUSTIFIED)
#define COB_FIELD_BINARY_SWAP(f)    ((f)->attr->flags & COB_FLAG_BINARY_SWAP)
#define COB_FIELD_REAL_BINARY(f)    ((f)->attr->flags & COB_FLAG_REAL_BINARY)
#define COB_FIELD_IS_POINTER(f)     ((f)->attr->flags & COB_FLAG_IS_POINTER)
#define COB_FIELD_NO_SIGN_NIBBLE(f) ((f)->attr->flags & COB_FLAG_NO_SIGN_NIBBLE)
#define COB_FIELD_IS_FP(f)      ((f)->attr->flags & COB_FLAG_IS_FP)
#define COB_FIELD_REAL_SIGN(f)      ((f)->attr->flags & COB_FLAG_REAL_SIGN)
#define COB_FIELD_BINARY_TRUNC(f)   ((f)->attr->flags & COB_FLAG_BINARY_TRUNC)

#define COB_FLAG_LEADSEP        \
    (COB_FLAG_SIGN_SEPARATE | COB_FLAG_SIGN_LEADING)

#define COB_FIELD_SIGN_LEADSEP(f)   \
    (((f)->attr->flags & COB_FLAG_LEADSEP) == COB_FLAG_LEADSEP)

#define COB_FIELD_TYPE(f)   ((f)->attr->type)
#define COB_FIELD_DIGITS(f) ((f)->attr->digits)
#define COB_FIELD_SCALE(f)  ((f)->attr->scale)
#define COB_FIELD_FLAGS(f)  ((f)->attr->flags)
#define COB_FIELD_PIC(f)    ((f)->attr->pic)

#define COB_FIELD_DATA(f)   \
    ((f)->data + (COB_FIELD_SIGN_LEADSEP (f) ? 1 : 0))

#define COB_FIELD_SIZE(f)   \
    (COB_FIELD_SIGN_SEPARATE (f) ? f->size - 1 : f->size)

#define COB_FIELD_IS_NUMERIC(f) (COB_FIELD_TYPE (f) & COB_TYPE_NUMERIC)
#define COB_FIELD_IS_NUMDISP(f) (COB_FIELD_TYPE (f) == COB_TYPE_NUMERIC_DISPLAY)
#define COB_FIELD_IS_ALNUM(f)   (COB_FIELD_TYPE (f) == COB_TYPE_ALPHANUMERIC)
#define COB_FIELD_IS_NATIONAL(f)    (COB_FIELD_TYPE (f) & COB_TYPE_NATIONAL)


#define COB_DISPLAY_SIGN_ASCII  0
#define COB_DISPLAY_SIGN_EBCDIC 1

#define COB_NATIONAL_SIZE   2

#define COB_SET_FLD(v,x,y,z)    (v.size = x, v.data = y, v.attr = z, &v)
#define COB_SET_DATA(x,z)   (x.data = z, &x)

/* Fatal error definitions */

#define COB_FERROR_NONE     0
#define COB_FERROR_CANCEL   1
#define COB_FERROR_INITIALIZED  2
#define COB_FERROR_CODEGEN  3
#define COB_FERROR_CHAINING 4
#define COB_FERROR_STACK    5
#define COB_FERROR_GLOBAL   6
#define COB_FERROR_MEMORY   7
#define COB_FERROR_MODULE   8
#define COB_FERROR_RECURSIVE    9
#define COB_FERROR_SCR_INP  10
#define COB_FERROR_FILE     11
#define COB_FERROR_FUNCTION 12
#define COB_FERROR_FREE     13

/* Exception identifier enumeration */

#undef  COB_EXCEPTION
#define COB_EXCEPTION(code,tag,name,critical)   tag,

enum cob_exception_id {
    COB_EC_ZERO = 0,
#include <libcob/exception.def>
    COB_EC_MAX
};

#undef  COB_EXCEPTION


/* File attributes */

/* File version */
#define COB_FILE_VERSION    1

/* Start conditions */
/* Note that COB_NE is disallowed */
#define COB_EQ          1   /* x == y */
#define COB_LT          2   /* x <  y */
#define COB_LE          3   /* x <= y */
#define COB_GT          4   /* x >  y */
#define COB_GE          5   /* x >= y */
#define COB_NE          6   /* x != y */
#define COB_FI          7   /* First */
#define COB_LA          8   /* Last */

#define COB_ASCENDING       0
#define COB_DESCENDING      1

#define COB_FILE_MODE       0666

/* Organization */

#define COB_ORG_SEQUENTIAL  0
#define COB_ORG_LINE_SEQUENTIAL 1
#define COB_ORG_RELATIVE    2
#define COB_ORG_INDEXED     3
#define COB_ORG_SORT        4
#define COB_ORG_MAX     5

/* Access mode */

#define COB_ACCESS_SEQUENTIAL   1
#define COB_ACCESS_DYNAMIC  2
#define COB_ACCESS_RANDOM   3

/* SELECT features */

#define COB_SELECT_FILE_STATUS  (1U << 0)
#define COB_SELECT_EXTERNAL (1U << 1)
#define COB_SELECT_LINAGE   (1U << 2)
#define COB_SELECT_SPLITKEY (1U << 3)
#define COB_SELECT_STDIN    (1U << 4)
#define COB_SELECT_STDOUT   (1U << 5)
#define COB_SELECT_TEMPORARY    (1U << 6)

#define COB_FILE_SPECIAL(x) \
    ((x)->flag_select_features & (COB_SELECT_STDIN | COB_SELECT_STDOUT))
#define COB_FILE_STDIN(x)   ((x)->flag_select_features & COB_SELECT_STDIN)
#define COB_FILE_STDOUT(x)  ((x)->flag_select_features & COB_SELECT_STDOUT)
#define COB_FILE_TEMPORARY(x)   ((x)->flag_select_features & COB_SELECT_TEMPORARY)

/* Lock mode */

#define COB_LOCK_EXCLUSIVE  (1U << 0)
#define COB_LOCK_MANUAL     (1U << 1)
#define COB_LOCK_AUTOMATIC  (1U << 2)
#define COB_LOCK_MULTIPLE   (1U << 3)
#define COB_LOCK_OPEN_EXCLUSIVE (1U << 4)

#define COB_FILE_EXCLUSIVE  (COB_LOCK_EXCLUSIVE | COB_LOCK_OPEN_EXCLUSIVE)

/* Open mode */

#define COB_OPEN_CLOSED     0
#define COB_OPEN_INPUT      1
#define COB_OPEN_OUTPUT     2
#define COB_OPEN_I_O        3
#define COB_OPEN_EXTEND     4
#define COB_OPEN_LOCKED     5

/* Close options */

#define COB_CLOSE_NORMAL    0
#define COB_CLOSE_LOCK      1
#define COB_CLOSE_NO_REWIND 2
#define COB_CLOSE_UNIT      3
#define COB_CLOSE_UNIT_REMOVAL  4

/* Write options */

#define COB_WRITE_MASK      0x0000FFFF

#define COB_WRITE_LINES     0x00010000
#define COB_WRITE_PAGE      0x00020000
#define COB_WRITE_CHANNEL   0x00040000
#define COB_WRITE_AFTER     0x00100000
#define COB_WRITE_BEFORE    0x00200000
#define COB_WRITE_EOP       0x00400000
#define COB_WRITE_LOCK      0x00800000
#define COB_WRITE_NO_LOCK   0x01000000

/* Read options */

#define COB_READ_NEXT       (1 << 0)
#define COB_READ_PREVIOUS   (1 << 1)
#define COB_READ_FIRST      (1 << 2)
#define COB_READ_LAST       (1 << 3)
#define COB_READ_LOCK       (1 << 4)
#define COB_READ_NO_LOCK    (1 << 5)
#define COB_READ_KEPT_LOCK  (1 << 6)
#define COB_READ_WAIT_LOCK  (1 << 7)
#define COB_READ_IGNORE_LOCK    (1 << 8)

#define COB_READ_MASK       \
    (COB_READ_NEXT | COB_READ_PREVIOUS | COB_READ_FIRST | COB_READ_LAST)

/* I-O status */

#define COB_STATUS_00_SUCCESS           00
#define COB_STATUS_02_SUCCESS_DUPLICATE     02
#define COB_STATUS_04_SUCCESS_INCOMPLETE    04
#define COB_STATUS_05_SUCCESS_OPTIONAL      05
#define COB_STATUS_07_SUCCESS_NO_UNIT       07
#define COB_STATUS_10_END_OF_FILE       10
#define COB_STATUS_14_OUT_OF_KEY_RANGE      14
#define COB_STATUS_21_KEY_INVALID       21
#define COB_STATUS_22_KEY_EXISTS        22
#define COB_STATUS_23_KEY_NOT_EXISTS        23
#define COB_STATUS_24_KEY_BOUNDARY      24
#define COB_STATUS_30_PERMANENT_ERROR       30
#define COB_STATUS_31_INCONSISTENT_FILENAME 31
#define COB_STATUS_34_BOUNDARY_VIOLATION    34
#define COB_STATUS_35_NOT_EXISTS        35
#define COB_STATUS_37_PERMISSION_DENIED     37
#define COB_STATUS_38_CLOSED_WITH_LOCK      38
#define COB_STATUS_39_CONFLICT_ATTRIBUTE    39
#define COB_STATUS_41_ALREADY_OPEN      41
#define COB_STATUS_42_NOT_OPEN          42
#define COB_STATUS_43_READ_NOT_DONE     43
#define COB_STATUS_44_RECORD_OVERFLOW       44
#define COB_STATUS_46_READ_ERROR        46
#define COB_STATUS_47_INPUT_DENIED      47
#define COB_STATUS_48_OUTPUT_DENIED     48
#define COB_STATUS_49_I_O_DENIED        49
#define COB_STATUS_51_RECORD_LOCKED     51
#define COB_STATUS_57_I_O_LINAGE        57
#define COB_STATUS_61_FILE_SHARING      61
#define COB_STATUS_91_NOT_AVAILABLE     91

/* Special status */
/* Used by extfh handler */
#define COB_NOT_CONFIGURED          32768

/* End File attributes */

/* Number store defines */

#define COB_STORE_ROUND         (1 << 0)
#define COB_STORE_KEEP_ON_OVERFLOW  (1 << 1)
#define COB_STORE_TRUNC_ON_OVERFLOW (1 << 2)

#define COB_STORE_AWAY_FROM_ZERO    (1 << 4)
#define COB_STORE_NEAR_AWAY_FROM_ZERO   (1 << 5)
#define COB_STORE_NEAR_EVEN     (1 << 6)
#define COB_STORE_NEAR_TOWARD_ZERO  (1 << 7)
#define COB_STORE_PROHIBITED        (1 << 8)
#define COB_STORE_TOWARD_GREATER    (1 << 9)
#define COB_STORE_TOWARD_LESSER     (1 << 10)
#define COB_STORE_TRUNCATION        (1 << 11)

#define COB_STORE_MASK                  \
    (COB_STORE_ROUND | COB_STORE_KEEP_ON_OVERFLOW | \
     COB_STORE_TRUNC_ON_OVERFLOW)

/* Screen attribute defines */

#define COB_SCREEN_BLACK        0
#define COB_SCREEN_BLUE         1
#define COB_SCREEN_GREEN        2
#define COB_SCREEN_CYAN         3
#define COB_SCREEN_RED          4
#define COB_SCREEN_MAGENTA      5
#define COB_SCREEN_YELLOW       6
#define COB_SCREEN_WHITE        7

#define COB_SCREEN_LINE_PLUS        (1 << 0)
#define COB_SCREEN_LINE_MINUS       (1 << 1)
#define COB_SCREEN_COLUMN_PLUS      (1 << 2)
#define COB_SCREEN_COLUMN_MINUS     (1 << 3)
#define COB_SCREEN_AUTO         (1 << 4)
#define COB_SCREEN_BELL         (1 << 5)
#define COB_SCREEN_BLANK_LINE       (1 << 6)
#define COB_SCREEN_BLANK_SCREEN     (1 << 7)
#define COB_SCREEN_BLINK        (1 << 8)
#define COB_SCREEN_ERASE_EOL        (1 << 9)
#define COB_SCREEN_ERASE_EOS        (1 << 10)
#define COB_SCREEN_FULL         (1 << 11)
#define COB_SCREEN_HIGHLIGHT        (1 << 12)
#define COB_SCREEN_LOWLIGHT     (1 << 13)
#define COB_SCREEN_REQUIRED     (1 << 14)
#define COB_SCREEN_REVERSE      (1 << 15)
#define COB_SCREEN_SECURE       (1 << 16)
#define COB_SCREEN_UNDERLINE        (1 << 17)
#define COB_SCREEN_OVERLINE     (1 << 18)
#define COB_SCREEN_PROMPT       (1 << 19)
#define COB_SCREEN_UPDATE       (1 << 20)
#define COB_SCREEN_INPUT        (1 << 21)
#define COB_SCREEN_SCROLL_DOWN      (1 << 22)
#define COB_SCREEN_INITIAL      (1 << 23)
#define COB_SCREEN_NO_ECHO      (1 << 24)
#define COB_SCREEN_LEFTLINE     (1 << 25)
#define COB_SCREEN_NO_DISP      (1 << 26)
#define COB_SCREEN_EMULATE_NL       (1 << 27)
#define COB_SCREEN_UPPER        (1 << 28)
#define COB_SCREEN_LOWER        (1 << 29)
#define COB_SCREEN_GRID         (1 << 30)

#define COB_SCREEN_TYPE_GROUP       0
#define COB_SCREEN_TYPE_FIELD       1
#define COB_SCREEN_TYPE_VALUE       2
#define COB_SCREEN_TYPE_ATTRIBUTE   3

/* End Screen attribute defines */


/* Structure/union declarations */


/* Field attribute structure */

typedef struct {
    unsigned short  type;       /* Field type */
    unsigned short  digits;     /* Digit count */
    signed short    scale;      /* Field scale */
    unsigned short  flags;      /* Field flags */
    const char  *pic;       /* Pointer to picture string */
} cob_field_attr;

/* Field structure */

typedef struct {
    size_t          size;       /* Field size */
    unsigned char       *data;      /* Pointer to field data */
    const cob_field_attr    *attr;      /* Pointer to attribute */
} cob_field;

#if 0   /* RXWRXW - Constant field */
/* Field structure for constants */

typedef struct {
    const size_t        size;       /* Field size */
    const unsigned char *data;      /* Pointer to field data */
    const cob_field_attr    *attr;      /* Pointer to attribute */
} cob_const_field;


/* Union for field constants */

typedef union {
    const cob_const_field   cf;
    cob_field       vf;
} cob_fld_union;
#endif

/* Representation of 128 bit FP */

typedef struct {
    cob_u64_t   fpval[2];
} cob_fp_128;

/* Internal representation of decimal numbers */
/* n = value / 10 ^ scale */
/* Decimal structure */

typedef struct {
    mpz_t       value;          /* GMP value definition */
    int     scale;          /* Decimal scale */
} cob_decimal;

/* Perform stack structure */
struct cob_frame {
    void        *return_address_ptr;    /* Return address pointer */
    unsigned int    perform_through;    /* Perform number */
    unsigned int    return_address_num; /* Return address number */
};

/* Call union structures */

typedef union {
    unsigned char data[8];
    cob_s64_t     datall;
    cob_u64_t     dataull;
    int           dataint;
} cob_content;

typedef union {
    void        *(*funcptr)();  /* Function returning "void *" */
    void        (*funcnull)();  /* Function returning nothing */
    cob_field   *(*funcfld)();  /* Function returning "cob_field *" */
    int     (*funcint)();   /* Function returning "int" */
    void        *funcvoid;  /* Redefine to "void *" */
#ifdef  _WIN32
                            /* stdcall variants */
    void        *(__stdcall *funcptr_std)();
    void        (__stdcall *funcnull_std)();
    cob_field   *(__stdcall *funcfld_std)();
    int     (__stdcall *funcint_std)();
#endif
} cob_call_union;

struct cob_call_struct {
    const char      *cob_cstr_name;     /* Call name */
    cob_call_union      cob_cstr_call;      /* Call entry */
    cob_call_union      cob_cstr_cancel;    /* Cancel entry */
};

/* Screen structure */
typedef struct __cob_screen {
    struct __cob_screen *next;      /* Pointer to next */
    struct __cob_screen *prev;      /* Pointer to previous */
    struct __cob_screen *child;     /* For COB_SCREEN_TYPE_GROUP */
    struct __cob_screen *parent;    /* Pointer to parent */
    cob_field       *field;     /* For COB_SCREEN_TYPE_FIELD */
    cob_field       *value;     /* For COB_SCREEN_TYPE_VALUE */
    cob_field       *line;      /* LINE */
    cob_field       *column;    /* COLUMN */
    cob_field       *foreg;     /* FOREGROUND */
    cob_field       *backg;     /* BACKGROUND */
    cob_field       *prompt;    /* PROMPT */
    int         type;       /* Structure type */
    int         occurs;     /* OCCURS */
    int         attr;       /* COB_SCREEN_TYPE_ATTRIBUTE */
} cob_screen;

/* Module structure */

typedef struct __cob_module {
    struct __cob_module *next;          /* Next pointer */
    cob_field       **cob_procedure_params; /* Arguments */
    const char      *module_name;       /* Module name */
    const char      *module_formatted_date; /* Module full date */
    const char      *module_source;     /* Module source */
    cob_call_union      module_entry;       /* Module entry */
    cob_call_union      module_cancel;      /* Module cancel */
    const unsigned char *collating_sequence;    /* COLLATING */
    cob_field       *crt_status;        /* CRT STATUS */
    cob_field       *cursor_pos;        /* CURSOR */
    unsigned int        *module_ref_count;  /* Module ref count */
    const char      **module_path;      /* Module path */

    unsigned int        module_active;      /* Module is active */
    unsigned int        module_date;        /* Module num date */
    unsigned int        module_time;        /* Module num time */
    unsigned int        module_type;        /* Module type */
    unsigned int        module_param_cnt;   /* Module param count */
    unsigned int        module_returning;   /* Module return type */
    int         module_num_params;  /* Module arg count */

    unsigned char       ebcdic_sign;        /* DISPLAY SIGN */
    unsigned char       decimal_point;      /* DECIMAL POINT */
    unsigned char       currency_symbol;    /* CURRENCY */
    unsigned char       numeric_separator;  /* Separator */

    unsigned char       flag_filename_mapping;  /* Mapping */
    unsigned char       flag_binary_truncate;   /* Truncation */
    unsigned char       flag_pretty_display;    /* Pretty display */
    unsigned char       flag_host_sign;     /* Host sign */

    unsigned char       flag_no_phys_canc;  /* No physical cancel */
    unsigned char       flag_main;      /* Main module */
    unsigned char       flag_fold_call;     /* Fold case */
    unsigned char       flag_exit_program;  /* Exit after CALL */
} cob_module;


/* User function structure */

struct cob_func_loc {
    cob_field       *ret_fld;
    cob_field       **save_proc_parms;
    cob_field       **func_params;
    unsigned char       **data;
    cob_module      *save_module;
    int         save_call_params;
    int         save_num_params;
};

/* File connector */

/* Key structure */

typedef struct {
    cob_field   *field; /* Key field */
    int     flag;   /* WITH DUPLICATES (for RELATIVE/INDEXED) */
                    /* ASCENDING/DESCENDING (for SORT) */
    unsigned int    offset; /* Offset of field */
} cob_file_key;


/* File structure */

typedef struct {
    const char      *select_name;       /* Name in SELECT */
    unsigned char       *file_status;       /* FILE STATUS */
    cob_field       *assign;        /* ASSIGN TO */
    cob_field       *record;        /* Record area */
    cob_field       *variable_record;   /* Record size variable */
    cob_file_key        *keys;          /* ISAM/RANDOM/SORT keys */
    void            *file;          /* File specific pointer */
    void            *linorkeyptr;       /* LINAGE or SPLIT KEY */
    const unsigned char *sort_collating;    /* SORT collating */
    void            *extfh_ptr;     /* For EXTFH usage */
    size_t          record_min;     /* Record min size */
    size_t          record_max;     /* Record max size */
    size_t          nkeys;          /* Number of keys */
    int         fd;         /* File descriptor */

    unsigned char       organization;       /* ORGANIZATION */
    unsigned char       access_mode;        /* ACCESS MODE */
    unsigned char       lock_mode;      /* LOCK MODE */
    unsigned char       open_mode;      /* OPEN MODE */
    unsigned char       flag_optional;      /* OPTIONAL */
    unsigned char       last_open_mode;     /* Mode given by OPEN */
    unsigned char       flag_operation;     /* File type specific */
    unsigned char       flag_nonexistent;   /* Nonexistent file */

    unsigned char       flag_end_of_file;   /* Reached end of file */
    unsigned char       flag_begin_of_file; /* Reached start of file */
    unsigned char       flag_first_read;    /* OPEN/START read flag */
    unsigned char       flag_read_done;     /* READ successful */
    unsigned char       flag_select_features;   /* SELECT features */
    unsigned char       flag_needs_nl;      /* Needs NL at close */
    unsigned char       flag_needs_top;     /* Linage needs top */
    unsigned char       file_version;       /* File I/O version */

} cob_file;


/* Linage structure */

typedef struct {
    cob_field       *linage;        /* LINAGE */
    cob_field       *linage_ctr;        /* LINAGE-COUNTER */
    cob_field       *latfoot;       /* LINAGE FOOTING */
    cob_field       *lattop;        /* LINAGE AT TOP */
    cob_field       *latbot;        /* LINAGE AT BOTTOM */
    int         lin_lines;      /* Current Linage */
    int         lin_foot;       /* Current Footage */
    int         lin_top;        /* Current Top */
    int         lin_bot;        /* Current Bottom */
} cob_linage;


/* Report structure */

typedef struct {
    const char      *report_name;       /* Report name */
    cob_file        *report_file;       /* Report file */
    cob_field       *page_counter;      /* PAGE-COUNTER */
    cob_field       *line_counter;      /* LINE-COUNTER */
    int         def_lines;      /* Default lines */
    int         def_cols;       /* Default columns */
    int         def_heading;        /* Default heading */
    int         def_first_detail;   /* Default first detail */
    int         def_last_control;   /* Default last control */
    int         def_last_detail;    /* Default last detail */
    int         def_footing;        /* Default footing */
    int         curr_page;      /* Current page */
    int         curr_lines;     /* Current lines */
    int         curr_cols;      /* Current columns */
    int         curr_status;        /* Current status */
} cob_report;


/* Global variable structure */

typedef struct __cob_global {
    cob_file        *cob_error_file;    /* Last error file */
    cob_module      *cob_current_module;    /* Current module */
    const char      *cob_orig_statement;    /* Statement */
    const char      *cob_orig_program_id;   /* Program ID */
    const char      *cob_orig_section;  /* Section */
    const char      *cob_orig_paragraph;    /* Paragraph */
    const char      *cob_main_argv0;    /* Main program */
    char            *cob_locale;        /* Program locale */
    char            *cob_locale_orig;   /* Initial locale */
    char            *cob_locale_ctype;  /* Initial locale */
    char            *cob_locale_collate;    /* Initial locale */
    char            *cob_locale_messages;   /* Initial locale */
    char            *cob_locale_monetary;   /* Initial locale */
    char            *cob_locale_numeric;    /* Initial locale */
    char            *cob_locale_time;   /* Initial locale */

    int         cob_exception_code; /* Last exception code */
    int         cob_call_params;    /* Current arguments */
    int         cob_initial_external;   /* First external ref */
    unsigned int        cob_orig_line;      /* Program source line */
    unsigned int        cob_got_exception;  /* Exception active */
    unsigned int        cob_screen_initialized; /* Screen initialized */
    unsigned int        cob_physical_cancel;    /* Unloading of modules */

                                                /* Library routine variables */

                                                /* screenio / termio */
    unsigned char       *cob_term_buff;     /* Screen I/O buffer */
    int         cob_accept_status;  /* ACCEPT STATUS */

    int         cob_max_y;      /* Screen max y */
    int         cob_max_x;      /* Screen max x */

} cob_global;

/* File I/O function pointer structure */
struct cob_fileio_funcs {
    int (*open)     (cob_file *, char *, const int, const int);
    int (*close)    (cob_file *, const int);
    int (*start)    (cob_file *, const int, cob_field *);
    int (*read)     (cob_file *, cob_field *, const int);
    int (*read_next)    (cob_file *, const int);
    int (*write)    (cob_file *, const int);
    int (*rewrite)  (cob_file *, const int);
    int (*fdelete)  (cob_file *);
};

/* Low level jump structure */
struct cobjmp_buf {
    int cbj_int[4];
    void    *cbj_ptr[4];
    jmp_buf cbj_jmp_buf;
    void    *cbj_ptr_rest[2];
};

/*******************************/

/* Function declarations */

/*******************************/
/* Functions in common.c */
COB_EXPIMP void print_info(void);
COB_EXPIMP void print_version(void);
COB_EXPIMP int cob_load_config(void);
COB_EXPIMP void print_runtime_env(void);

void cob_set_exception(const int);

char* cob_int_to_string(int, char*);
char* cob_int_to_formatted_bytestring(int, char*);
char* cob_strcat(char*, char*);
char* cob_strjoin(char**, int, char*);

/* General functions */

COB_EXPIMP cob_global       *cob_get_global_ptr (void);

COB_EXPIMP void cob_init            (const int, char **);
COB_EXPIMP void cob_module_enter        (cob_module **, cob_global **,
                         const int);
COB_EXPIMP void cob_module_leave        (cob_module *);

DECLNORET COB_EXPIMP void   cob_stop_run    (const int) COB_A_NORETURN;
DECLNORET COB_EXPIMP void   cob_fatal_error (const int) COB_A_NORETURN;

COB_EXPIMP void *cob_malloc         (const size_t) COB_A_MALLOC;
COB_EXPIMP void *cob_realloc            (void *, const size_t, const size_t) COB_A_MALLOC;
COB_EXPIMP void cob_free            (void *);
COB_EXPIMP void *cob_fast_malloc        (const size_t) COB_A_MALLOC;
COB_EXPIMP void *cob_cache_malloc       (const size_t) COB_A_MALLOC;
COB_EXPIMP void *cob_cache_realloc      (void *, const size_t);
COB_EXPIMP void cob_cache_free          (void *);
COB_EXPIMP void cob_set_locale          (cob_field *, const int);

COB_EXPIMP char *cob_expand_env_string(char *);

COB_EXPIMP void cob_check_version       (const char *, const char *,
                         const int);

COB_EXPIMP void *cob_save_func          (cob_field **, const int,
                         const int, ...);
COB_EXPIMP void cob_restore_func        (struct cob_func_loc *);

COB_EXPIMP void cob_accept_arg_number       (cob_field *);
COB_EXPIMP void cob_accept_arg_value        (cob_field *);
COB_EXPIMP void cob_accept_command_line     (cob_field *);
COB_EXPIMP void cob_accept_date         (cob_field *);
COB_EXPIMP void cob_accept_date_yyyymmdd    (cob_field *);
COB_EXPIMP void cob_accept_day          (cob_field *);
COB_EXPIMP void cob_accept_day_yyyyddd      (cob_field *);
COB_EXPIMP void cob_accept_day_of_week      (cob_field *);
COB_EXPIMP void cob_accept_environment      (cob_field *);
COB_EXPIMP void cob_accept_exception_status (cob_field *);
COB_EXPIMP void cob_accept_time         (cob_field *);
COB_EXPIMP void cob_accept_user_name        (cob_field *);
COB_EXPIMP void cob_display_command_line    (cob_field *);
COB_EXPIMP void cob_display_environment     (const cob_field *);
COB_EXPIMP void cob_display_env_value       (const cob_field *);
COB_EXPIMP void cob_display_arg_number      (cob_field *);
COB_EXPIMP void cob_get_environment     (const cob_field *, cob_field *);
COB_EXPIMP void cob_set_environment     (const cob_field *,
                         const cob_field *);
COB_EXPIMP void cob_chain_setup         (void *, const size_t,
                         const size_t);
COB_EXPIMP void cob_allocate            (unsigned char **, cob_field *,
                         cob_field *, cob_field *);
COB_EXPIMP void cob_free_alloc          (unsigned char **, unsigned char *);
COB_EXPIMP int  cob_extern_init         (void);
COB_EXPIMP int  cob_tidy            (void);
COB_EXPIMP void *cob_command_line       (int, int *, char ***,
                         char ***, char **);
COB_EXPIMP char *cob_getenv         (const char *);
COB_EXPIMP int  cob_putenv          (char *);

COB_EXPIMP void cob_incr_temp_iteration     (void);
COB_EXPIMP void cob_temp_name           (char *, const char *);

#define cobgetenv(x)            cob_getenv (x)
#define cobputenv(x)            cob_putenv (x)
#define cobtidy()           cob_tidy ()
#define cobinit()           cob_extern_init ()
#define cobexit(x)          cob_stop_run (x)
#define cobcommandline(v,w,x,y,z)   cob_command_line (v,w,x,y,z)

/* System routines */
COB_EXPIMP int  cob_sys_exit_proc   (const void *, const void *);
COB_EXPIMP int  cob_sys_error_proc  (const void *, const void *);
COB_EXPIMP int  cob_sys_system      (const void *);
/**
 * Return some hosted C variables, argc, argv, stdin, stdout, stderr.
 */
COB_EXPIMP int  cob_sys_hosted      (void *, const void *);
COB_EXPIMP int  cob_sys_and     (const void *, void *, const int);
COB_EXPIMP int  cob_sys_or      (const void *, void *, const int);
COB_EXPIMP int  cob_sys_nor     (const void *, void *, const int);
COB_EXPIMP int  cob_sys_xor     (const void *, void *, const int);
COB_EXPIMP int  cob_sys_imp     (const void *, void *, const int);
COB_EXPIMP int  cob_sys_nimp        (const void *, void *, const int);
COB_EXPIMP int  cob_sys_eq      (const void *, void *, const int);
COB_EXPIMP int  cob_sys_not     (void *, const int);
COB_EXPIMP int  cob_sys_xf4     (void *, const void *);
COB_EXPIMP int  cob_sys_xf5     (const void *, void *);
COB_EXPIMP int  cob_sys_x91     (void *, const void *, void *);
COB_EXPIMP int  cob_sys_toupper     (void *, const int);
COB_EXPIMP int  cob_sys_tolower     (void *, const int);
COB_EXPIMP int  cob_sys_oc_nanosleep    (const void *);
COB_EXPIMP int  cob_sys_getpid      (void);
COB_EXPIMP int  cob_sys_return_args (void *);
COB_EXPIMP int  cob_sys_parameter_size  (void *);

/*
 * cob_sys_getopt_long_long
 */
COB_EXPIMP int  cob_sys_getopt_long_long    (void*, void*, void*, const int, void*, void*);
typedef struct longoption_def {
    char name[25];
    char has_option;
    char return_value_pointer[sizeof(char*)];
    char return_value[4];
} longoption_def;


COB_EXPIMP int  cob_sys_sleep       (const void *);
COB_EXPIMP int  cob_sys_calledby    (void *);
COB_EXPIMP int  cob_sys_justify     (void *, ...);
COB_EXPIMP int  cob_sys_printable   (void *, ...);

/* Utilities */

COB_EXPIMP void cob_set_location    (const char *, const unsigned int,
                     const char *, const char *,
                     const char *);
COB_EXPIMP void cob_trace_section   (const char *, const char *, const int);

COB_EXPIMP void         *cob_external_addr  (const char *, const int);
COB_EXPIMP unsigned char    *cob_get_pointer    (const void *);
COB_EXPIMP void         *cob_get_prog_pointer   (const void *);
COB_EXPIMP void         cob_ready_trace     (void);
COB_EXPIMP void         cob_reset_trace     (void);


/* Registration of external handlers */
COB_EXPIMP void cob_reg_sighnd  (void (*sighnd) (int));

/* Switch */

COB_EXPIMP int  cob_get_switch      (const int);
COB_EXPIMP void cob_set_switch      (const int, const int);

/* Comparison */

COB_EXPIMP int  cob_cmp         (cob_field *, cob_field *);

/* Class check */

COB_EXPIMP int  cob_is_omitted      (const cob_field *);
COB_EXPIMP int  cob_is_numeric      (const cob_field *);
COB_EXPIMP int  cob_is_alpha        (const cob_field *);
COB_EXPIMP int  cob_is_upper        (const cob_field *);
COB_EXPIMP int  cob_is_lower        (const cob_field *);

/* Table sort */

COB_EXPIMP void cob_table_sort_init (const size_t, const unsigned char *);
COB_EXPIMP void cob_table_sort_init_key (cob_field *, const int,
                     const unsigned int);
COB_EXPIMP void cob_table_sort      (cob_field *, const int);

/* Run-time error checking */

COB_EXPIMP void cob_check_numeric   (const cob_field *, const char *);
COB_EXPIMP void cob_correct_numeric (cob_field *);
COB_EXPIMP void cob_check_based     (const unsigned char *,
                     const char *);
COB_EXPIMP void cob_check_linkage   (const unsigned char *,
                     const char *, const int);
COB_EXPIMP void cob_check_odo       (const int, const int,
                     const int, const char *);
COB_EXPIMP void cob_check_subscript (const int, const int,
                     const int, const char *);
COB_EXPIMP void cob_check_ref_mod   (const int, const int,
                     const int, const char *);

/* Comparison functions */
COB_EXPIMP int  cob_numeric_cmp     (cob_field *, cob_field *);

/*******************************/
/* Functions in strings.c */

COB_EXPIMP void cob_inspect_init    (cob_field *, const cob_u32_t);
COB_EXPIMP void cob_inspect_start   (void);
COB_EXPIMP void cob_inspect_before  (const cob_field *);
COB_EXPIMP void cob_inspect_after   (const cob_field *);
COB_EXPIMP void cob_inspect_characters  (cob_field *);
COB_EXPIMP void cob_inspect_all     (cob_field *, cob_field *);
COB_EXPIMP void cob_inspect_leading (cob_field *, cob_field *);
COB_EXPIMP void cob_inspect_first   (cob_field *, cob_field *);
COB_EXPIMP void cob_inspect_trailing    (cob_field *, cob_field *);
COB_EXPIMP void cob_inspect_converting  (const cob_field *, const cob_field *);
COB_EXPIMP void cob_inspect_finish  (void);

COB_EXPIMP void cob_string_init     (cob_field *, cob_field *);
COB_EXPIMP void cob_string_delimited    (cob_field *);
COB_EXPIMP void cob_string_append   (cob_field *);
COB_EXPIMP void cob_string_finish   (void);

COB_EXPIMP void cob_unstring_init   (cob_field *, cob_field *, const size_t);
COB_EXPIMP void cob_unstring_delimited  (cob_field *, const cob_u32_t);
COB_EXPIMP void cob_unstring_into   (cob_field *, cob_field *, cob_field *);
COB_EXPIMP void cob_unstring_tallying   (cob_field *);
COB_EXPIMP void cob_unstring_finish (void);

/*******************************/
/* Functions in move.c */

COB_EXPIMP void     cob_move    (cob_field *, cob_field *);
COB_EXPIMP void     cob_set_int (cob_field *, const int);
COB_EXPIMP int      cob_get_int (cob_field *);
COB_EXPIMP cob_s64_t    cob_get_llint   (cob_field *);

/*******************************/
/* Functions in numeric.c */

COB_EXPIMP void cob_decimal_init    (cob_decimal *);
COB_EXPIMP void cob_decimal_set_llint   (cob_decimal *, const cob_s64_t);
COB_EXPIMP void cob_decimal_set_field   (cob_decimal *, cob_field *);
COB_EXPIMP int  cob_decimal_get_field   (cob_decimal *, cob_field *, const int);
COB_EXPIMP void cob_decimal_add     (cob_decimal *, cob_decimal *);
COB_EXPIMP void cob_decimal_sub     (cob_decimal *, cob_decimal *);
COB_EXPIMP void cob_decimal_mul     (cob_decimal *, cob_decimal *);
COB_EXPIMP void cob_decimal_div     (cob_decimal *, cob_decimal *);
COB_EXPIMP void cob_decimal_pow     (cob_decimal *, cob_decimal *);
COB_EXPIMP int  cob_decimal_cmp     (cob_decimal *, cob_decimal *);

COB_EXPIMP void cob_add         (cob_field *, cob_field *, const int);
COB_EXPIMP void cob_sub         (cob_field *, cob_field *, const int);
COB_EXPIMP void cob_mul         (cob_field *, cob_field *, const int);
COB_EXPIMP void cob_div         (cob_field *, cob_field *, const int);
COB_EXPIMP int  cob_add_int     (cob_field *, const int, const int);
COB_EXPIMP int  cob_sub_int     (cob_field *, const int, const int);
COB_EXPIMP void cob_div_quotient    (cob_field *, cob_field *,
                     cob_field *, const int);
COB_EXPIMP void cob_div_remainder   (cob_field *, const int);

COB_EXPIMP int  cob_cmp_int     (cob_field *, const int);
COB_EXPIMP int  cob_cmp_uint        (cob_field *, const unsigned int);
COB_EXPIMP int  cob_cmp_llint       (cob_field *, const cob_s64_t);
COB_EXPIMP int  cob_cmp_packed      (cob_field *, const cob_s64_t);
COB_EXPIMP int  cob_cmp_numdisp     (const unsigned char *,
                     const size_t, const cob_s64_t,
                     const cob_u32_t);
COB_EXPIMP int  cob_cmp_float       (cob_field *, cob_field *);
COB_EXPIMP void cob_set_packed_zero (cob_field *);
COB_EXPIMP void cob_set_packed_int  (cob_field *, const int);

COB_EXPIMP void cob_decimal_alloc   (const cob_u32_t, ...);
COB_EXPIMP void cob_decimal_push    (const cob_u32_t, ...);
COB_EXPIMP void cob_decimal_pop     (const cob_u32_t, ...);

COB_EXPIMP void cob_gmp_free        (void *);


/*******************************/
/* Functions in call.c */

DECLNORET COB_EXPIMP void   cob_call_error      (void) COB_A_NORETURN;

COB_EXPIMP void     cob_set_cancel      (cob_module *);
COB_EXPIMP void     *cob_resolve        (const char *);
COB_EXPIMP void     *cob_resolve_cobol  (const char *, const int,
                         const int);
COB_EXPIMP void     *cob_resolve_func   (const char *);
COB_EXPIMP const char   *cob_resolve_error  (void);
COB_EXPIMP void     *cob_call_field     (const cob_field *,
                         const struct cob_call_struct *,
                         const unsigned int,
                         const int);
COB_EXPIMP void     cob_cancel_field    (const cob_field *,
                         const struct cob_call_struct *);
COB_EXPIMP void     cob_cancel      (const char *);
COB_EXPIMP int      cob_call        (const char *, const int, void **);
COB_EXPIMP int      cob_func        (const char *, const int, void **);
COB_EXPIMP void     *cob_savenv     (struct cobjmp_buf *);
COB_EXPIMP void     *cob_savenv2        (struct cobjmp_buf *, const int);
COB_EXPIMP void     cob_longjmp     (struct cobjmp_buf *);

#define cobsetjmp(x)    setjmp (cob_savenv (x))
#define coblongjmp(x)   cob_longjmp (x)
#define cobsavenv(x)    cob_savenv (x)
#define cobsavenv2(x,z) cob_savenv2 (x, z)
#define cobfunc(x,y,z)  cob_func (x, y, z)
#define cobcall(x,y,z)  cob_call (x, y, z)
#define cobcancel(x)    cob_cancel (x)

/*******************************/
/* Functions in screenio.c */

COB_EXPIMP void cob_screen_line_col (cob_field *, const int);
COB_EXPIMP void cob_screen_display  (cob_screen *, cob_field *,
                     cob_field *);
COB_EXPIMP void cob_screen_accept   (cob_screen *, cob_field *,
                     cob_field *, cob_field *);
COB_EXPIMP void cob_field_display   (cob_field *, cob_field *, cob_field *,
                     cob_field *, cob_field *, cob_field *, 
                     cob_field *, const int);
COB_EXPIMP void cob_field_accept    (cob_field *, cob_field *, cob_field *,
                     cob_field *, cob_field *, cob_field *,
                     cob_field *, cob_field *, cob_field *,
                     const int);
COB_EXPIMP void cob_accept_escape_key   (cob_field *);
COB_EXPIMP int  cob_sys_clear_screen    (void);
COB_EXPIMP int  cob_sys_sound_bell  (void);
COB_EXPIMP int  cob_sys_get_csr_pos (unsigned char *);
COB_EXPIMP int  cob_sys_get_scr_size    (unsigned char *, unsigned char *);

/*******************************/
/* Functions in termio.c */

COB_EXPIMP void cob_display (const int, const int, const int, ...);
COB_EXPIMP void cob_accept  (cob_field *);

/*******************************/
/* Functions in fileio.c */

COB_EXPIMP void cob_open    (cob_file *, const int, const int, cob_field *);
COB_EXPIMP void cob_close   (cob_file *, cob_field *, const int, const int);
COB_EXPIMP void cob_read    (cob_file *, cob_field *, cob_field *, const int);
COB_EXPIMP void cob_read_next   (cob_file *, cob_field *, const int);
COB_EXPIMP void cob_rewrite (cob_file *, cob_field *, const int, cob_field *);
COB_EXPIMP void cob_delete  (cob_file *, cob_field *);
COB_EXPIMP void cob_start   (cob_file *, const int, cob_field *,
                 cob_field *, cob_field *);
COB_EXPIMP void cob_write   (cob_file *, cob_field *, const int,
                 cob_field *, const unsigned int);

COB_EXPIMP void cob_delete_file (cob_file *, cob_field *);
COB_EXPIMP void cob_unlock_file (cob_file *, cob_field *);
COB_EXPIMP void cob_commit  (void);
COB_EXPIMP void cob_rollback    (void);

/* File system routines */
COB_EXPIMP int cob_sys_open_file    (unsigned char *, unsigned char *,
                     unsigned char *, unsigned char *,
                     unsigned char *);
COB_EXPIMP int cob_sys_create_file  (unsigned char *, unsigned char *,
                     unsigned char *, unsigned char *,
                     unsigned char *);
COB_EXPIMP int cob_sys_read_file    (unsigned char *, unsigned char *,
                     unsigned char *, unsigned char *,
                     unsigned char *);
COB_EXPIMP int cob_sys_write_file   (unsigned char *, unsigned char *,
                     unsigned char *, unsigned char *,
                     unsigned char *);
COB_EXPIMP int cob_sys_close_file   (unsigned char *);
COB_EXPIMP int cob_sys_flush_file   (unsigned char *);
COB_EXPIMP int cob_sys_delete_file  (unsigned char *);
COB_EXPIMP int cob_sys_copy_file    (unsigned char *, unsigned char *);
COB_EXPIMP int cob_sys_check_file_exist (unsigned char *, unsigned char *);
COB_EXPIMP int cob_sys_rename_file  (unsigned char *, unsigned char *);
COB_EXPIMP int cob_sys_get_current_dir  (const int, const int, unsigned char *);
COB_EXPIMP int cob_sys_change_dir   (unsigned char *);
COB_EXPIMP int cob_sys_create_dir   (unsigned char *);
COB_EXPIMP int cob_sys_delete_dir   (unsigned char *);
COB_EXPIMP int cob_sys_chdir        (unsigned char *, unsigned char *);
COB_EXPIMP int cob_sys_mkdir        (unsigned char *);
COB_EXPIMP int cob_sys_copyfile     (unsigned char *, unsigned char *,
                     unsigned char *);
COB_EXPIMP int cob_sys_file_info    (unsigned char *, unsigned char *);
COB_EXPIMP int cob_sys_file_delete  (unsigned char *, unsigned char *);

/* SORT routines */
COB_EXPIMP void cob_file_sort_init  (cob_file *, const unsigned int,
                     const unsigned char *,
                     void *, cob_field *);
COB_EXPIMP void cob_file_sort_init_key  (cob_file *, cob_field *,
                     const int, const unsigned int);
COB_EXPIMP void cob_file_sort_close (cob_file *);
COB_EXPIMP void cob_file_sort_using (cob_file *, cob_file *);
COB_EXPIMP void cob_file_sort_giving    (cob_file *, const size_t, ...);
COB_EXPIMP void cob_file_release    (cob_file *);
COB_EXPIMP void cob_file_return     (cob_file *);

/*******************************/
/* Functions in intrinsic.c */

COB_EXPIMP void     cob_put_indirect_field      (cob_field *);
COB_EXPIMP void     cob_get_indirect_field      (cob_field *);
COB_EXPIMP cob_field *cob_switch_value          (const int);
COB_EXPIMP cob_field *cob_intr_binop            (cob_field *, const int,
                             cob_field *);

COB_EXPIMP int cob_check_numval             (const cob_field *,
                             const cob_field *,
                             const int, const int);

COB_EXPIMP int cob_valid_date_format            (const char *);
COB_EXPIMP int cob_valid_datetime_format        (const char *, const char);
COB_EXPIMP int cob_valid_time_format            (const char *, const char);

COB_EXPIMP cob_field *cob_intr_current_date     (const int, const int);
COB_EXPIMP cob_field *cob_intr_when_compiled        (const int, const int,
                             cob_field *);
COB_EXPIMP cob_field *cob_intr_module_date      (void);
COB_EXPIMP cob_field *cob_intr_module_time      (void);
COB_EXPIMP cob_field *cob_intr_module_id        (void);
COB_EXPIMP cob_field *cob_intr_module_caller_id     (void);
COB_EXPIMP cob_field *cob_intr_module_source        (void);
COB_EXPIMP cob_field *cob_intr_module_formatted_date    (void);
COB_EXPIMP cob_field *cob_intr_module_path      (void);
COB_EXPIMP cob_field *cob_intr_exception_file       (void);
COB_EXPIMP cob_field *cob_intr_exception_location   (void);
COB_EXPIMP cob_field *cob_intr_exception_status     (void);
COB_EXPIMP cob_field *cob_intr_exception_statement  (void);
COB_EXPIMP cob_field *cob_intr_mon_decimal_point    (void);
COB_EXPIMP cob_field *cob_intr_num_decimal_point    (void);
COB_EXPIMP cob_field *cob_intr_mon_thousands_sep    (void);
COB_EXPIMP cob_field *cob_intr_num_thousands_sep    (void);
COB_EXPIMP cob_field *cob_intr_currency_symbol      (void);
COB_EXPIMP cob_field *cob_intr_char         (cob_field *);
COB_EXPIMP cob_field *cob_intr_ord          (cob_field *);
COB_EXPIMP cob_field *cob_intr_stored_char_length   (cob_field *);
COB_EXPIMP cob_field *cob_intr_combined_datetime    (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_date_of_integer      (cob_field *);
COB_EXPIMP cob_field *cob_intr_day_of_integer       (cob_field *);
COB_EXPIMP cob_field *cob_intr_integer_of_date      (cob_field *);
COB_EXPIMP cob_field *cob_intr_integer_of_day       (cob_field *);
COB_EXPIMP cob_field *cob_intr_test_date_yyyymmdd   (cob_field *);
COB_EXPIMP cob_field *cob_intr_test_day_yyyyddd     (cob_field *);
COB_EXPIMP cob_field *cob_intr_test_numval      (cob_field *);
COB_EXPIMP cob_field *cob_intr_test_numval_c        (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_test_numval_f        (cob_field *);
COB_EXPIMP cob_field *cob_intr_factorial        (cob_field *);

COB_EXPIMP cob_field *cob_intr_pi           (void);
COB_EXPIMP cob_field *cob_intr_e            (void);
COB_EXPIMP cob_field *cob_intr_exp          (cob_field *);
COB_EXPIMP cob_field *cob_intr_exp10            (cob_field *);
COB_EXPIMP cob_field *cob_intr_abs          (cob_field *);
COB_EXPIMP cob_field *cob_intr_acos         (cob_field *);
COB_EXPIMP cob_field *cob_intr_asin         (cob_field *);
COB_EXPIMP cob_field *cob_intr_atan         (cob_field *);
COB_EXPIMP cob_field *cob_intr_cos          (cob_field *);
COB_EXPIMP cob_field *cob_intr_log          (cob_field *);
COB_EXPIMP cob_field *cob_intr_log10            (cob_field *);
COB_EXPIMP cob_field *cob_intr_sin          (cob_field *);
COB_EXPIMP cob_field *cob_intr_sqrt         (cob_field *);
COB_EXPIMP cob_field *cob_intr_tan          (cob_field *);

COB_EXPIMP cob_field *cob_intr_upper_case       (const int, const int,
                             cob_field *);
COB_EXPIMP cob_field *cob_intr_lower_case       (const int, const int,
                             cob_field *);
COB_EXPIMP cob_field *cob_intr_reverse          (const int, const int,
                             cob_field *);
COB_EXPIMP cob_field *cob_intr_concatenate      (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_substitute       (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_substitute_case      (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_trim         (const int, const int,
                             cob_field *, const int);
COB_EXPIMP cob_field *cob_intr_length           (cob_field *);
COB_EXPIMP cob_field *cob_intr_byte_length      (cob_field *);
COB_EXPIMP cob_field *cob_intr_integer          (cob_field *);
COB_EXPIMP cob_field *cob_intr_integer_part     (cob_field *);
COB_EXPIMP cob_field *cob_intr_fraction_part        (cob_field *);
COB_EXPIMP cob_field *cob_intr_sign         (cob_field *);
COB_EXPIMP cob_field *cob_intr_lowest_algebraic     (cob_field *);
COB_EXPIMP cob_field *cob_intr_highest_algebraic    (cob_field *);
COB_EXPIMP cob_field *cob_intr_numval           (cob_field *);
COB_EXPIMP cob_field *cob_intr_numval_c         (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_numval_f         (cob_field *);
COB_EXPIMP cob_field *cob_intr_annuity          (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_mod          (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_rem          (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_sum          (const int, ...);
COB_EXPIMP cob_field *cob_intr_ord_min          (const int, ...);
COB_EXPIMP cob_field *cob_intr_ord_max          (const int, ...);
COB_EXPIMP cob_field *cob_intr_min          (const int, ...);
COB_EXPIMP cob_field *cob_intr_max          (const int, ...);
COB_EXPIMP cob_field *cob_intr_midrange         (const int, ...);
COB_EXPIMP cob_field *cob_intr_median           (const int, ...);
COB_EXPIMP cob_field *cob_intr_mean         (const int, ...);
COB_EXPIMP cob_field *cob_intr_range            (const int, ...);
COB_EXPIMP cob_field *cob_intr_random           (const int, ...);
COB_EXPIMP cob_field *cob_intr_variance         (const int, ...);
COB_EXPIMP cob_field *cob_intr_standard_deviation   (const int, ...);
COB_EXPIMP cob_field *cob_intr_present_value        (const int, ...);
COB_EXPIMP cob_field *cob_intr_year_to_yyyy     (const int, ...);
COB_EXPIMP cob_field *cob_intr_date_to_yyyymmdd     (const int, ...);
COB_EXPIMP cob_field *cob_intr_day_to_yyyyddd       (const int, ...);
COB_EXPIMP cob_field *cob_intr_locale_compare       (const int, ...);
COB_EXPIMP cob_field *cob_intr_locale_date      (const int, const int,
                             cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_locale_time      (const int, const int,
                             cob_field *, cob_field *);

COB_EXPIMP cob_field *cob_intr_seconds_past_midnight    (void);
COB_EXPIMP cob_field *cob_intr_lcl_time_from_secs   (const int, const int,
                             cob_field *, cob_field *);

COB_EXPIMP cob_field *cob_intr_seconds_from_formatted_time  (cob_field *,
                                 cob_field *);

COB_EXPIMP cob_field *cob_intr_boolean_of_integer   (cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_char_national        (cob_field *);
COB_EXPIMP cob_field *cob_intr_display_of       (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_exception_file_n     (void);
COB_EXPIMP cob_field *cob_intr_exception_location_n (void);
COB_EXPIMP cob_field *cob_intr_formatted_current_date   (const int, const int,
                             cob_field *);
COB_EXPIMP cob_field *cob_intr_formatted_date       (const int, const int,
                             cob_field *, cob_field *);
COB_EXPIMP cob_field *cob_intr_formatted_datetime   (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_formatted_time       (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_integer_of_boolean   (cob_field *);
COB_EXPIMP cob_field *cob_intr_national_of      (const int, const int,
                             const int, ...);
COB_EXPIMP cob_field *cob_intr_standard_compare     (const int, ...);
COB_EXPIMP cob_field *cob_intr_test_formatted_datetime  (cob_field *, cob_field *);

COB_EXPIMP cob_field *cob_intr_integer_of_formatted_date    (cob_field *,
                                 cob_field *);

/*******************************/

#endif  /* COB_COMMON_H */