FreeBSD/Linux Kernel Cross Reference
sys/include/stdlib.h
1 /* The <stdlib.h> header defines certain common macros, types, and functions.*/
2
3 #ifndef _STDLIB_H
4 #define _STDLIB_H
5
6 #ifndef _ANSI_H
7 #include <ansi.h>
8 #endif
9
10 /* The macros are NULL, EXIT_FAILURE, EXIT_SUCCESS, RAND_MAX, and MB_CUR_MAX.*/
11 #define NULL ((void *)0)
12
13 #define EXIT_FAILURE 1 /* standard error return using exit() */
14 #define EXIT_SUCCESS 0 /* successful return using exit() */
15 #define RAND_MAX 32767 /* largest value generated by rand() */
16 #define MB_CUR_MAX 1 /* max value of multibyte character in MINIX */
17
18 typedef struct { int quot, rem; } div_t;
19 typedef struct { long quot, rem; } ldiv_t;
20
21 /* The types are size_t, wchar_t, div_t, and ldiv_t. */
22 #ifndef _SIZE_T
23 #define _SIZE_T
24 typedef unsigned int size_t; /* type returned by sizeof */
25 #endif
26
27 #ifndef _WCHAR_T
28 #define _WCHAR_T
29 typedef char wchar_t; /* type expanded character set */
30 #endif
31
32 /* Function Prototypes. */
33 _PROTOTYPE( void abort, (void) );
34 _PROTOTYPE( int abs, (int _j) );
35 _PROTOTYPE( int atexit, (void (*_func)(void)) );
36 _PROTOTYPE( double atof, (const char *_nptr) );
37 _PROTOTYPE( int atoi, (const char *_nptr) );
38 _PROTOTYPE( long atol, (const char *_nptr) );
39 _PROTOTYPE( void *calloc, (size_t _nmemb, size_t _size) );
40 _PROTOTYPE( div_t div, (int _numer, int _denom) );
41 _PROTOTYPE( void exit, (int _status) );
42 _PROTOTYPE( void free, (void *_ptr) );
43 _PROTOTYPE( char *getenv, (const char *_name) );
44 _PROTOTYPE( long labs, (long _j) );
45 _PROTOTYPE( ldiv_t ldiv, (long _numer, long _denom) );
46 _PROTOTYPE( void *malloc, (size_t _size) );
47 _PROTOTYPE( int mblen, (const char *_s, size_t _n) );
48 _PROTOTYPE( size_t mbstowcs, (wchar_t *_pwcs, const char *_s, size_t _n));
49 _PROTOTYPE( int mbtowc, (wchar_t *_pwc, const char *_s, size_t _n) );
50 _PROTOTYPE( int rand, (void) );
51 _PROTOTYPE( void *realloc, (void *_ptr, size_t _size) );
52 _PROTOTYPE( void srand, (unsigned int _seed) );
53 _PROTOTYPE( double strtod, (const char *_nptr, char **_endptr) );
54 _PROTOTYPE( long strtol, (const char *_nptr, char **_endptr, int _base) );
55 _PROTOTYPE( int system, (const char *_string) );
56 _PROTOTYPE( size_t wcstombs, (char *_s, const wchar_t *_pwcs, size_t _n));
57 _PROTOTYPE( int wctomb, (char *_s, wchar_t _wchar) );
58 _PROTOTYPE( void *bsearch, (const void *_key, const void *_base,
59 size_t _nmemb, size_t _size,
60 int (*compar) (const void *, const void *)) );
61 _PROTOTYPE( void qsort, (void *_base, size_t _nmemb, size_t _size,
62 int (*compar) (const void *, const void *)) );
63 _PROTOTYPE( unsigned long int strtoul,
64 (const char *_nptr, char **_endptr, int _base) );
65
66 #ifdef _POSIX_SOURCE
67 /* Open Group Base Specifications Issue 6 */
68 _PROTOTYPE( int mkstemp, (char *_fmt) );
69 _PROTOTYPE( char *initstate, (unsigned _seed, char *_state,
70 size_t _size) );
71 _PROTOTYPE( long random, (void) );
72 _PROTOTYPE( char *setstate, (const char *state) );
73 _PROTOTYPE( void srandom, (unsigned seed) );
74 #endif
75
76 #ifdef _MINIX
77 _PROTOTYPE( int putenv, (const char *_name) );
78
79 /* According to POSIX, getopt should be in unistd.h. What do we do with
80 * this?
81 */
82 _PROTOTYPE(int getopt, (int _argc, char **_argv, char *_opts));
83 extern char *optarg;
84 extern int optind, opterr, optopt;
85 #endif /* _MINIX */
86
87 #endif /* STDLIB_H */
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