Annotation of src/include/stdlib.h, Revision 1.53
1.53 ! deraadt 1: /* $OpenBSD: stdlib.h,v 1.52 2013/05/31 20:59:24 ajacoutot 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 *);
1.51 millert 234: #endif
235: #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200112
236: char *ptsname(int);
237: int grantpt(int);
238: int unlockpt(int);
239: #endif
240: #if __POSIX_VISIBLE >= 200112
241: int posix_openpt(int);
1.35 millert 242: #endif
243:
1.50 guenther 244: /*
245: * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX)
246: */
247: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
248: char *mkdtemp(char *);
249: #endif
250:
1.35 millert 251: #if __BSD_VISIBLE
1.43 ragge 252: void *alloca(size_t);
1.1 deraadt 253:
1.16 millert 254: char *getbsize(int *, long *);
255: char *cgetcap(char *, const char *, int);
256: int cgetclose(void);
257: int cgetent(char **, char **, const char *);
258: int cgetfirst(char **, char **);
259: int cgetmatch(char *, const char *);
260: int cgetnext(char **, char **);
261: int cgetnum(char *, const char *, long *);
262: int cgetset(const char *);
263: int cgetusedb(int);
264: int cgetstr(char *, const char *, char **);
265: int cgetustr(char *, const char *, char **);
266:
267: int daemon(int, int);
1.38 deraadt 268: char *devname(int, mode_t);
1.16 millert 269: int getloadavg(double [], int);
1.1 deraadt 270:
1.16 millert 271: void cfree(void *);
1.52 ajacouto 272:
273: const char *
274: getprogname(void);
275: void setprogname(const char *);
1.1 deraadt 276:
1.24 millert 277: #ifndef _GETOPT_DEFINED_
278: #define _GETOPT_DEFINED_
1.16 millert 279: int getopt(int, char * const *, const char *);
1.1 deraadt 280: extern char *optarg; /* getopt(3) external variables */
1.35 millert 281: extern int opterr, optind, optopt, optreset;
1.16 millert 282: int getsubopt(char **, char * const *, char **);
1.1 deraadt 283: extern char *suboptarg; /* getsubopt(3) external variable */
1.24 millert 284: #endif /* _GETOPT_DEFINED_ */
1.1 deraadt 285:
1.35 millert 286: int mkstemps(char *, int);
287:
1.17 millert 288: int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
289: int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
290: int radixsort(const unsigned char **, int, const unsigned char *,
291: unsigned);
292: int sradixsort(const unsigned char **, int, const unsigned char *,
293: unsigned);
1.1 deraadt 294:
1.16 millert 295: void srandomdev(void);
1.35 millert 296: long long
297: strtonum(const char *, long long, long long, const char **);
1.16 millert 298:
299: void setproctitle(const char *, ...)
1.15 krw 300: __attribute__((__format__ (__printf__, 1, 2)));
1.1 deraadt 301:
1.16 millert 302: quad_t qabs(quad_t);
303: qdiv_t qdiv(quad_t, quad_t);
304: quad_t strtoq(const char *, char **, int);
305: u_quad_t strtouq(const char *, char **, int);
306:
307: u_int32_t arc4random(void);
1.41 otto 308: u_int32_t arc4random_uniform(u_int32_t);
309: void arc4random_buf(void *, size_t)
310: __attribute__((__bounded__ (__string__,1,2)));
311:
1.35 millert 312: #endif /* __BSD_VISIBLE */
1.1 deraadt 313:
314: __END_DECLS
315:
316: #endif /* _STDLIB_H_ */
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