xref: /minix3/include/stdlib.h (revision 58a2b0008e28f606a7f7f5faaeaba4faac57a1ea)
1 /* The <stdlib.h> header defines certain common macros, types, and functions.*/
2 
3 #ifndef _STDLIB_H
4 #define _STDLIB_H
5 
6 #ifndef _MINIX_ANSI_H
7 #include <minix/ansi.h>
8 #endif
9 
10 #include <stddef.h>
11 #include <sys/cdefs.h>
12 #include <sys/null.h>
13 
14 #define EXIT_FAILURE       1	/* standard error return using exit() */
15 #define EXIT_SUCCESS       0	/* successful return using exit() */
16 #define RAND_MAX       32767	/* largest value generated by rand() */
17 #define MB_CUR_MAX         1	/* max value of multibyte character in MINIX */
18 
19 typedef struct { int quot, rem; } div_t;
20 typedef struct { long quot, rem; } ldiv_t;
21 
22 /* The types are div_t, and ldiv_t. */
23 
24 /* Function Prototypes. */
25 _PROTOTYPE( void abort, (void)						);
26 _PROTOTYPE( int abs, (int _j)						);
27 _PROTOTYPE( int atexit, (void (*_func)(void))				);
28 _PROTOTYPE( double atof, (const char *_nptr)				);
29 _PROTOTYPE( int atoi, (const char *_nptr)				);
30 _PROTOTYPE( long atol, (const char *_nptr)				);
31 _PROTOTYPE( void *calloc, (size_t _nmemb, size_t _size)			);
32 _PROTOTYPE( div_t div, (int _numer, int _denom)				);
33 _PROTOTYPE( __dead void exit, (int _status)				);
34 _PROTOTYPE( void free, (void *_ptr)					);
35 _PROTOTYPE( char *getenv, (const char *_name)				);
36 _PROTOTYPE( long labs, (long _j)					);
37 _PROTOTYPE( ldiv_t ldiv, (long _numer, long _denom)			);
38 _PROTOTYPE( void *malloc, (size_t _size)				);
39 _PROTOTYPE( int mblen, (const char *_s, size_t _n)			);
40 _PROTOTYPE( size_t mbstowcs, (wchar_t *_pwcs, const char *_s, size_t _n));
41 _PROTOTYPE( int mbtowc, (wchar_t *_pwc, const char *_s, size_t _n)	);
42 _PROTOTYPE( int rand, (void)						);
43 _PROTOTYPE( void *realloc, (void *_ptr, size_t _size)			);
44 _PROTOTYPE( void srand, (unsigned int _seed)				);
45 _PROTOTYPE( double strtod, (const char *_nptr, char **_endptr)		);
46 _PROTOTYPE( long strtol, (const char *_nptr, char **_endptr, int _base)	);
47 _PROTOTYPE( int system, (const char *_string)				);
48 _PROTOTYPE( size_t wcstombs, (char *_s, const wchar_t *_pwcs, size_t _n));
49 _PROTOTYPE( int wctomb, (char *_s, wchar_t _wchar)			);
50 _PROTOTYPE( void *bsearch, (const void *_key, const void *_base,
51 	size_t _nmemb, size_t _size,
52 	int (*compar) (const void *, const void *))			);
53 _PROTOTYPE( void qsort, (void *_base, size_t _nmemb, size_t _size,
54 	int (*compar) (const void *, const void *))			);
55 _PROTOTYPE( unsigned long int strtoul,
56 			(const char *_nptr, char **_endptr, int _base)	);
57 _PROTOTYPE( const char *getprogname, (void)				);
58 _PROTOTYPE( void    setprogname, (const char *)				);
59 
60 #ifdef _POSIX_SOURCE
61 /* Open Group Base Specifications Issue 6 */
62 _PROTOTYPE( int mkstemp, (char *_fmt)					);
63 _PROTOTYPE( char *initstate, (unsigned _seed, char *_state,
64 							size_t _size)	);
65 _PROTOTYPE( long random, (void)						);
66 _PROTOTYPE( char *realpath, (const char *file_name,
67                                                  char *resolved_name)   );
68 _PROTOTYPE( char *setstate, (const char *state)				);
69 _PROTOTYPE( void srandom, (unsigned seed)				);
70 _PROTOTYPE( int putenv, (char *string)					);
71 _PROTOTYPE( int setenv, (const char *envname, const char *envval,
72 							int overwrite)	);
73 _PROTOTYPE( int unsetenv, (const char *name)				);
74 _PROTOTYPE( int getsubopt, (char **optionp, char * const *keylistp, char **valuep));
75 
76 #ifdef __LONG_LONG_SUPPORTED
77 _PROTOTYPE( long long strtoll, (const char *_nptr, char **_endptr,
78                                                             int _base)	);
79 _PROTOTYPE( unsigned long long strtoull, (const char *_nptr,
80                                             char **_endptr, int _base)	);
81 #endif
82 
83 #endif
84 
85 #ifdef _MINIX
86 _PROTOTYPE( int getloadavg, (double *, int)				);
87 
88 /* According to POSIX, getopt should be in unistd.h. What do we do with
89  * this?
90  */
91 _PROTOTYPE(int getopt, (int _argc, char * const _argv[], const char *_opts));
92 extern char *optarg;
93 extern int optind, opterr, optopt;
94 
95 _PROTOTYPE(size_t shquote, (const char *arg, char *buf, size_t bufsize));
96 _PROTOTYPE(char *mkdtemp, (char *path));
97 
98 #endif /* _MINIX */
99 
100 #endif /* STDLIB_H */
101