Annotation of src/include/stdlib.h, Revision 1.50
1.50 ! guenther 1: /* $OpenBSD: stdlib.h,v 1.49 2011/07/03 18:51:01 jsg 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);
120: __dead void exit(int);
1.30 millert 121: __dead void _Exit(int);
1.16 millert 122: void free(void *);
123: char *getenv(const char *);
124: long labs(long);
125: ldiv_t ldiv(long, long);
126: void *malloc(size_t);
1.17 millert 127: void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1.16 millert 128: int rand(void);
129: void *realloc(void *, size_t);
130: void srand(unsigned);
131: double strtod(const char *, char **);
1.42 landry 132: float strtof(const char *, char **);
1.16 millert 133: long strtol(const char *, char **, int);
1.45 martynas 134: long double
135: strtold(const char *, char **);
1.1 deraadt 136: unsigned long
1.16 millert 137: strtoul(const char *, char **, int);
138: int system(const char *);
1.1 deraadt 139:
140: /* these are currently just stubs */
1.16 millert 141: int mblen(const char *, size_t);
142: size_t mbstowcs(wchar_t *, const char *, size_t);
143: int wctomb(char *, wchar_t);
144: int mbtowc(wchar_t *, const char *, size_t);
145: size_t wcstombs(char *, const wchar_t *, size_t);
1.1 deraadt 146:
1.35 millert 147: /*
148: * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
149: */
1.50 ! guenther 150: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || defined(_REENTRANT)
1.35 millert 151: int rand_r(unsigned int *);
152: #endif
153:
154: #if __BSD_VISIBLE || __XPG_VISIBLE >= 400
155: double drand48(void);
156: double erand48(unsigned short[3]);
157: long jrand48(unsigned short[3]);
158: void lcong48(unsigned short[7]);
159: long lrand48(void);
160: long mrand48(void);
161: long nrand48(unsigned short[3]);
162: unsigned short *seed48(unsigned short[3]);
163: void srand48(long);
164:
1.46 millert 165: int putenv(char *);
1.35 millert 166: #endif
167:
1.50 ! guenther 168: /*
! 169: * XSI functions marked LEGACY in IEEE Std 1003.1-2001 (POSIX) and
! 170: * removed in IEEE Std 1003.1-2008
! 171: */
! 172: #if __BSD_VISIBLE || __XPG_VISIBLE < 700
! 173: char *ecvt(double, int, int *, int *);
! 174: char *fcvt(double, int, int *, int *);
! 175: char *gcvt(double, int, char *);
! 176: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
! 177: char *mktemp(char *);
! 178: #endif
! 179: #endif /* __BSD_VISIBLE || __XPG_VISIBLE < 700 */
! 180:
1.35 millert 181: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
182: long a64l(const char *);
183: char *l64a(long);
184:
185: char *initstate(unsigned int, char *, size_t)
186: __attribute__((__bounded__ (__string__,2,3)));
187: long random(void);
1.50 ! guenther 188: char *setstate(char *);
1.35 millert 189: void srandom(unsigned int);
190:
191: char *realpath(const char *, char *);
192:
193: int setkey(const char *);
194:
1.50 ! guenther 195: /*
! 196: * XSI functions marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001
! 197: */
! 198: #if __BSD_VISIBLE || __XPG_VISIBLE < 600
1.35 millert 199: int ttyslot(void);
200: void *valloc(size_t); /* obsoleted by malloc() */
1.50 ! guenther 201: #endif
1.35 millert 202: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
203:
204: /*
1.50 ! guenther 205: * 4.4BSD, then XSI in XPG4.2, then added to POSIX base in IEEE Std 1003.1-2008
! 206: */
! 207: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
! 208: int mkstemp(char *);
! 209: #endif
! 210:
! 211: /*
1.35 millert 212: * ISO C99
213: */
1.37 millert 214: #if __ISO_C_VISIBLE >= 1999
1.35 millert 215: long long
216: atoll(const char *);
217: long long
218: llabs(long long);
1.39 djm 219: lldiv_t
220: lldiv(long long, long long);
1.35 millert 221: long long
222: strtoll(const char *, char **, int);
223: unsigned long long
224: strtoull(const char *, char **, int);
225: #endif
226:
227: /*
228: * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
229: */
1.50 ! guenther 230: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
! 231: int posix_memalign(void **, size_t, size_t);
1.35 millert 232: int setenv(const char *, const char *, int);
1.46 millert 233: int unsetenv(const char *);
1.35 millert 234: #endif
235:
1.50 ! guenther 236: /*
! 237: * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX)
! 238: */
! 239: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
! 240: char *mkdtemp(char *);
! 241: #endif
! 242:
1.35 millert 243: #if __BSD_VISIBLE
1.43 ragge 244: void *alloca(size_t);
1.1 deraadt 245:
1.16 millert 246: char *getbsize(int *, long *);
247: char *cgetcap(char *, const char *, int);
248: int cgetclose(void);
249: int cgetent(char **, char **, const char *);
250: int cgetfirst(char **, char **);
251: int cgetmatch(char *, const char *);
252: int cgetnext(char **, char **);
253: int cgetnum(char *, const char *, long *);
254: int cgetset(const char *);
255: int cgetusedb(int);
256: int cgetstr(char *, const char *, char **);
257: int cgetustr(char *, const char *, char **);
258:
259: int daemon(int, int);
1.38 deraadt 260: char *devname(int, mode_t);
1.16 millert 261: int getloadavg(double [], int);
1.1 deraadt 262:
1.16 millert 263: void cfree(void *);
1.1 deraadt 264:
1.24 millert 265: #ifndef _GETOPT_DEFINED_
266: #define _GETOPT_DEFINED_
1.16 millert 267: int getopt(int, char * const *, const char *);
1.1 deraadt 268: extern char *optarg; /* getopt(3) external variables */
1.35 millert 269: extern int opterr, optind, optopt, optreset;
1.16 millert 270: int getsubopt(char **, char * const *, char **);
1.1 deraadt 271: extern char *suboptarg; /* getsubopt(3) external variable */
1.24 millert 272: #endif /* _GETOPT_DEFINED_ */
1.1 deraadt 273:
1.35 millert 274: int mkstemps(char *, int);
275:
1.17 millert 276: int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
277: int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
278: int radixsort(const unsigned char **, int, const unsigned char *,
279: unsigned);
280: int sradixsort(const unsigned char **, int, const unsigned char *,
281: unsigned);
1.1 deraadt 282:
1.16 millert 283: void srandomdev(void);
1.35 millert 284: long long
285: strtonum(const char *, long long, long long, const char **);
1.16 millert 286:
287: void setproctitle(const char *, ...)
1.15 krw 288: __attribute__((__format__ (__printf__, 1, 2)));
1.1 deraadt 289:
1.16 millert 290: quad_t qabs(quad_t);
291: qdiv_t qdiv(quad_t, quad_t);
292: quad_t strtoq(const char *, char **, int);
293: u_quad_t strtouq(const char *, char **, int);
294:
295: u_int32_t arc4random(void);
296: void arc4random_stir(void);
1.28 avsm 297: void arc4random_addrandom(unsigned char *, int)
298: __attribute__((__bounded__ (__string__,1,2)));
1.41 otto 299: u_int32_t arc4random_uniform(u_int32_t);
300: void arc4random_buf(void *, size_t)
301: __attribute__((__bounded__ (__string__,1,2)));
302:
1.35 millert 303: #endif /* __BSD_VISIBLE */
1.1 deraadt 304:
305: __END_DECLS
306:
307: #endif /* _STDLIB_H_ */
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