91 lines
3.4 KiB
C
91 lines
3.4 KiB
C
/* The <stdlib.h> header defines certain common macros, types, and functions.*/
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#ifndef _STDLIB_H
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#define _STDLIB_H
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#ifndef _ANSI_H
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#include <ansi.h>
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#endif
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/* The macros are NULL, EXIT_FAILURE, EXIT_SUCCESS, RAND_MAX, and MB_CUR_MAX.*/
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#define NULL ((void *)0)
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#define EXIT_FAILURE 1 /* standard error return using exit() */
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#define EXIT_SUCCESS 0 /* successful return using exit() */
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#define RAND_MAX 32767 /* largest value generated by rand() */
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#define MB_CUR_MAX 1 /* max value of multibyte character in MINIX */
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typedef struct { int quot, rem; } div_t;
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typedef struct { long quot, rem; } ldiv_t;
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/* The types are size_t, wchar_t, div_t, and ldiv_t. */
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#ifndef _SIZE_T
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#define _SIZE_T
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typedef unsigned int size_t; /* type returned by sizeof */
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#endif
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#ifndef _WCHAR_T
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#define _WCHAR_T
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typedef char wchar_t; /* type expanded character set */
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#endif
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/* Function Prototypes. */
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_PROTOTYPE( void abort, (void) );
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_PROTOTYPE( int abs, (int _j) );
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_PROTOTYPE( int atexit, (void (*_func)(void)) );
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_PROTOTYPE( double atof, (const char *_nptr) );
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_PROTOTYPE( int atoi, (const char *_nptr) );
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_PROTOTYPE( long atol, (const char *_nptr) );
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_PROTOTYPE( void *calloc, (size_t _nmemb, size_t _size) );
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_PROTOTYPE( div_t div, (int _numer, int _denom) );
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_PROTOTYPE( void exit, (int _status) );
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_PROTOTYPE( void free, (void *_ptr) );
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_PROTOTYPE( char *getenv, (const char *_name) );
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_PROTOTYPE( long labs, (long _j) );
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_PROTOTYPE( ldiv_t ldiv, (long _numer, long _denom) );
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_PROTOTYPE( void *malloc, (size_t _size) );
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_PROTOTYPE( int mblen, (const char *_s, size_t _n) );
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_PROTOTYPE( size_t mbstowcs, (wchar_t *_pwcs, const char *_s, size_t _n));
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_PROTOTYPE( int mbtowc, (wchar_t *_pwc, const char *_s, size_t _n) );
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_PROTOTYPE( int rand, (void) );
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_PROTOTYPE( void *realloc, (void *_ptr, size_t _size) );
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_PROTOTYPE( void srand, (unsigned int _seed) );
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_PROTOTYPE( double strtod, (const char *_nptr, char **_endptr) );
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_PROTOTYPE( long strtol, (const char *_nptr, char **_endptr, int _base) );
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_PROTOTYPE( int system, (const char *_string) );
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_PROTOTYPE( size_t wcstombs, (char *_s, const wchar_t *_pwcs, size_t _n));
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_PROTOTYPE( int wctomb, (char *_s, wchar_t _wchar) );
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_PROTOTYPE( void *bsearch, (const void *_key, const void *_base,
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size_t _nmemb, size_t _size,
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int (*compar) (const void *, const void *)) );
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_PROTOTYPE( void qsort, (void *_base, size_t _nmemb, size_t _size,
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int (*compar) (const void *, const void *)) );
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_PROTOTYPE( unsigned long int strtoul,
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(const char *_nptr, char **_endptr, int _base) );
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#ifdef _POSIX_SOURCE
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/* Open Group Base Specifications Issue 6 */
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_PROTOTYPE( int mkstemp, (char *_fmt) );
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_PROTOTYPE( char *initstate, (unsigned _seed, char *_state,
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size_t _size) );
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_PROTOTYPE( long random, (void) );
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_PROTOTYPE( char *setstate, (const char *state) );
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_PROTOTYPE( void srandom, (unsigned seed) );
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_PROTOTYPE( int putenv, (char *string) );
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_PROTOTYPE( int setenv, (const char *envname, const char *envval,
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int overwrite) );
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_PROTOTYPE( int unsetenv, (const char *name) );
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#endif
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#ifdef _MINIX
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_PROTOTYPE( int getloadavg, (double *, int) );
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/* According to POSIX, getopt should be in unistd.h. What do we do with
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* this?
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*/
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_PROTOTYPE(int getopt, (int _argc, char * const _argv[], const char *_opts));
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extern char *optarg;
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extern int optind, opterr, optopt;
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#endif /* _MINIX */
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#endif /* STDLIB_H */
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