Annotation of src/include/stdlib.h, Revision 1.49
1.49 ! jsg 1: /* $OpenBSD: stdlib.h,v 1.48 2011/04/06 11:39:42 miod Exp $ */
1.2 deraadt 2: /* $NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1990 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.25 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)stdlib.h 5.13 (Berkeley) 6/4/91
33: */
34:
35: #ifndef _STDLIB_H_
36: #define _STDLIB_H_
37:
1.35 millert 38: #include <sys/cdefs.h>
1.36 millert 39: #include <machine/_types.h>
40: #if __BSD_VISIBLE /* for quad_t, etc. (XXX - use protected types) */
1.1 deraadt 41: #include <sys/types.h>
42: #endif
43:
1.36 millert 44: #ifndef _SIZE_T_DEFINED_
45: #define _SIZE_T_DEFINED_
46: typedef __size_t size_t;
1.1 deraadt 47: #endif
48:
1.11 espie 49: /* in C++, wchar_t is a built-in type */
1.36 millert 50: #if !defined(_WCHAR_T_DEFINED_) && !defined(__cplusplus)
51: #define _WCHAR_T_DEFINED_
52: typedef __wchar_t wchar_t;
1.1 deraadt 53: #endif
54:
55: typedef struct {
56: int quot; /* quotient */
57: int rem; /* remainder */
58: } div_t;
59:
60: typedef struct {
61: long quot; /* quotient */
62: long rem; /* remainder */
63: } ldiv_t;
64:
1.37 millert 65: #if __ISO_C_VISIBLE >= 1999
66: typedef struct {
67: long long quot; /* quotient */
68: long long rem; /* remainder */
69: } lldiv_t;
70: #endif
71:
1.35 millert 72: #if __BSD_VISIBLE
1.1 deraadt 73: typedef struct {
74: quad_t quot; /* quotient */
75: quad_t rem; /* remainder */
76: } qdiv_t;
77: #endif
78:
79:
80: #ifndef NULL
1.10 espie 81: #ifdef __GNUG__
82: #define NULL __null
1.49 ! jsg 83: #elif defined(__cplusplus)
! 84: #define NULL 0L
1.10 espie 85: #else
1.48 miod 86: #define NULL ((void *)0)
1.10 espie 87: #endif
1.1 deraadt 88: #endif
89:
90: #define EXIT_FAILURE 1
91: #define EXIT_SUCCESS 0
92:
93: #define RAND_MAX 0x7fffffff
94:
1.33 espie 95: extern size_t __mb_cur_max;
96: #define MB_CUR_MAX __mb_cur_max
1.1 deraadt 97:
98: #include <sys/cdefs.h>
99:
1.18 millert 100: /*
101: * Some header files may define an abs macro.
102: * If defined, undef it to prevent a syntax error and issue a warning.
103: */
104: #ifdef abs
105: #undef abs
106: #warning abs macro collides with abs() prototype, undefining
107: #endif
108:
1.1 deraadt 109: __BEGIN_DECLS
1.16 millert 110: __dead void abort(void);
111: int abs(int);
1.17 millert 112: int atexit(void (*)(void));
1.16 millert 113: double atof(const char *);
114: int atoi(const char *);
115: long atol(const char *);
1.17 millert 116: void *bsearch(const void *, const void *, size_t, size_t,
117: int (*)(const void *, const void *));
1.16 millert 118: void *calloc(size_t, size_t);
119: div_t div(int, int);
1.23 millert 120: char *ecvt(double, int, int *, int *);
1.16 millert 121: __dead void exit(int);
1.30 millert 122: __dead void _Exit(int);
1.23 millert 123: char *fcvt(double, int, int *, int *);
1.16 millert 124: void free(void *);
1.23 millert 125: char *gcvt(double, int, char *);
1.16 millert 126: char *getenv(const char *);
127: long labs(long);
128: ldiv_t ldiv(long, long);
129: void *malloc(size_t);
1.47 tedu 130: int posix_memalign(void **, size_t, size_t);
1.17 millert 131: void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1.16 millert 132: int rand(void);
133: void *realloc(void *, size_t);
134: void srand(unsigned);
135: double strtod(const char *, char **);
1.42 landry 136: float strtof(const char *, char **);
1.16 millert 137: long strtol(const char *, char **, int);
1.45 martynas 138: long double
139: strtold(const char *, char **);
1.1 deraadt 140: unsigned long
1.16 millert 141: strtoul(const char *, char **, int);
142: int system(const char *);
1.1 deraadt 143:
144: /* these are currently just stubs */
1.16 millert 145: int mblen(const char *, size_t);
146: size_t mbstowcs(wchar_t *, const char *, size_t);
147: int wctomb(char *, wchar_t);
148: int mbtowc(wchar_t *, const char *, size_t);
149: size_t wcstombs(char *, const wchar_t *, size_t);
1.1 deraadt 150:
1.35 millert 151: /*
152: * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
153: */
154: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE >= 500 || \
155: defined(_REENTRANT)
156: int rand_r(unsigned int *);
157: #endif
158:
159: #if __BSD_VISIBLE || __XPG_VISIBLE >= 400
160: double drand48(void);
161: double erand48(unsigned short[3]);
162: long jrand48(unsigned short[3]);
163: void lcong48(unsigned short[7]);
164: long lrand48(void);
165: long mrand48(void);
166: long nrand48(unsigned short[3]);
167: unsigned short *seed48(unsigned short[3]);
168: void srand48(long);
169:
1.46 millert 170: int putenv(char *);
1.35 millert 171: #endif
172:
173: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
174: long a64l(const char *);
175: char *l64a(long);
176:
177: char *initstate(unsigned int, char *, size_t)
178: __attribute__((__bounded__ (__string__,2,3)));
179: long random(void);
180: char *setstate(const char *);
181: void srandom(unsigned int);
182:
183: int mkstemp(char *);
184: char *mktemp(char *);
185:
186: char *realpath(const char *, char *);
187:
188: int setkey(const char *);
189:
190: int ttyslot(void);
191:
192: void *valloc(size_t); /* obsoleted by malloc() */
193: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
194:
195: /*
196: * ISO C99
197: */
1.37 millert 198: #if __ISO_C_VISIBLE >= 1999
1.35 millert 199: long long
200: atoll(const char *);
201: long long
202: llabs(long long);
1.39 djm 203: lldiv_t
204: lldiv(long long, long long);
1.35 millert 205: long long
206: strtoll(const char *, char **, int);
207: unsigned long long
208: strtoull(const char *, char **, int);
209: #endif
210:
211: /*
212: * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
213: */
214: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 600
215: int setenv(const char *, const char *, int);
1.46 millert 216: int unsetenv(const char *);
1.35 millert 217: #endif
218:
219: #if __BSD_VISIBLE
1.43 ragge 220: void *alloca(size_t);
1.1 deraadt 221:
1.16 millert 222: char *getbsize(int *, long *);
223: char *cgetcap(char *, const char *, int);
224: int cgetclose(void);
225: int cgetent(char **, char **, const char *);
226: int cgetfirst(char **, char **);
227: int cgetmatch(char *, const char *);
228: int cgetnext(char **, char **);
229: int cgetnum(char *, const char *, long *);
230: int cgetset(const char *);
231: int cgetusedb(int);
232: int cgetstr(char *, const char *, char **);
233: int cgetustr(char *, const char *, char **);
234:
235: int daemon(int, int);
1.38 deraadt 236: char *devname(int, mode_t);
1.16 millert 237: int getloadavg(double [], int);
1.1 deraadt 238:
1.16 millert 239: void cfree(void *);
1.1 deraadt 240:
1.24 millert 241: #ifndef _GETOPT_DEFINED_
242: #define _GETOPT_DEFINED_
1.16 millert 243: int getopt(int, char * const *, const char *);
1.1 deraadt 244: extern char *optarg; /* getopt(3) external variables */
1.35 millert 245: extern int opterr, optind, optopt, optreset;
1.16 millert 246: int getsubopt(char **, char * const *, char **);
1.1 deraadt 247: extern char *suboptarg; /* getsubopt(3) external variable */
1.24 millert 248: #endif /* _GETOPT_DEFINED_ */
1.1 deraadt 249:
1.35 millert 250: char *mkdtemp(char *);
251: int mkstemps(char *, int);
252:
1.17 millert 253: int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
254: int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
255: int radixsort(const unsigned char **, int, const unsigned char *,
256: unsigned);
257: int sradixsort(const unsigned char **, int, const unsigned char *,
258: unsigned);
1.1 deraadt 259:
1.16 millert 260: void srandomdev(void);
1.35 millert 261: long long
262: strtonum(const char *, long long, long long, const char **);
1.16 millert 263:
264: void setproctitle(const char *, ...)
1.15 krw 265: __attribute__((__format__ (__printf__, 1, 2)));
1.1 deraadt 266:
1.16 millert 267: quad_t qabs(quad_t);
268: qdiv_t qdiv(quad_t, quad_t);
269: quad_t strtoq(const char *, char **, int);
270: u_quad_t strtouq(const char *, char **, int);
271:
272: u_int32_t arc4random(void);
273: void arc4random_stir(void);
1.28 avsm 274: void arc4random_addrandom(unsigned char *, int)
275: __attribute__((__bounded__ (__string__,1,2)));
1.41 otto 276: u_int32_t arc4random_uniform(u_int32_t);
277: void arc4random_buf(void *, size_t)
278: __attribute__((__bounded__ (__string__,1,2)));
279:
1.35 millert 280: #endif /* __BSD_VISIBLE */
1.1 deraadt 281:
282: __END_DECLS
283:
284: #endif /* _STDLIB_H_ */
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