Annotation of src/include/stdlib.h, Revision 1.70
1.70 ! millert 1: /* $OpenBSD: stdlib.h,v 1.69 2017/04/10 05:45:02 otto 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>
1.66 millert 39: #include <sys/_null.h>
1.36 millert 40: #include <machine/_types.h>
41: #if __BSD_VISIBLE /* for quad_t, etc. (XXX - use protected types) */
1.1 deraadt 42: #include <sys/types.h>
43: #endif
44:
1.36 millert 45: #ifndef _SIZE_T_DEFINED_
46: #define _SIZE_T_DEFINED_
47: typedef __size_t size_t;
1.1 deraadt 48: #endif
49:
1.11 espie 50: /* in C++, wchar_t is a built-in type */
1.36 millert 51: #if !defined(_WCHAR_T_DEFINED_) && !defined(__cplusplus)
52: #define _WCHAR_T_DEFINED_
53: typedef __wchar_t wchar_t;
1.1 deraadt 54: #endif
55:
56: typedef struct {
57: int quot; /* quotient */
58: int rem; /* remainder */
59: } div_t;
60:
61: typedef struct {
62: long quot; /* quotient */
63: long rem; /* remainder */
64: } ldiv_t;
65:
1.37 millert 66: #if __ISO_C_VISIBLE >= 1999
67: typedef struct {
68: long long quot; /* quotient */
69: long long rem; /* remainder */
70: } lldiv_t;
71: #endif
72:
1.35 millert 73: #if __BSD_VISIBLE
1.1 deraadt 74: typedef struct {
75: quad_t quot; /* quotient */
76: quad_t rem; /* remainder */
77: } qdiv_t;
78: #endif
79:
80: #define EXIT_FAILURE 1
81: #define EXIT_SUCCESS 0
82:
83: #define RAND_MAX 0x7fffffff
84:
1.33 espie 85: extern size_t __mb_cur_max;
86: #define MB_CUR_MAX __mb_cur_max
1.1 deraadt 87:
1.18 millert 88: /*
89: * Some header files may define an abs macro.
90: * If defined, undef it to prevent a syntax error and issue a warning.
91: */
92: #ifdef abs
93: #undef abs
94: #warning abs macro collides with abs() prototype, undefining
95: #endif
96:
1.1 deraadt 97: __BEGIN_DECLS
1.16 millert 98: __dead void abort(void);
99: int abs(int);
1.17 millert 100: int atexit(void (*)(void));
1.16 millert 101: double atof(const char *);
102: int atoi(const char *);
103: long atol(const char *);
1.17 millert 104: void *bsearch(const void *, const void *, size_t, size_t,
105: int (*)(const void *, const void *));
1.16 millert 106: void *calloc(size_t, size_t);
107: div_t div(int, int);
108: __dead void exit(int);
1.30 millert 109: __dead void _Exit(int);
1.16 millert 110: void free(void *);
111: char *getenv(const char *);
112: long labs(long);
113: ldiv_t ldiv(long, long);
114: void *malloc(size_t);
1.57 deraadt 115: #if __BSD_VISIBLE
1.70 ! millert 116: void freezero(void *, size_t)
! 117: __attribute__ ((__bounded__(__buffer__,1,2)));
1.58 tedu 118: void *reallocarray(void *, size_t, size_t);
1.68 otto 119: void *recallocarray(void *, size_t, size_t, size_t);
1.57 deraadt 120: #endif /* __BSD_VISIBLE */
1.17 millert 121: void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1.16 millert 122: int rand(void);
123: void *realloc(void *, size_t);
124: void srand(unsigned);
1.62 deraadt 125: void srand_deterministic(unsigned);
1.64 tedu 126: double strtod(const char *__restrict, char **__restrict);
127: float strtof(const char *__restrict, char **__restrict);
128: long strtol(const char *__restrict, char **__restrict, int);
1.45 martynas 129: long double
1.64 tedu 130: strtold(const char *__restrict, char **__restrict);
1.1 deraadt 131: unsigned long
1.64 tedu 132: strtoul(const char *__restrict, char **__restrict, int);
1.16 millert 133: int system(const char *);
1.1 deraadt 134:
135: /* these are currently just stubs */
1.16 millert 136: int mblen(const char *, size_t);
137: size_t mbstowcs(wchar_t *, const char *, size_t);
138: int wctomb(char *, wchar_t);
139: int mbtowc(wchar_t *, const char *, size_t);
140: size_t wcstombs(char *, const wchar_t *, size_t);
1.1 deraadt 141:
1.35 millert 142: /*
143: * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
144: */
1.50 guenther 145: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || defined(_REENTRANT)
1.35 millert 146: int rand_r(unsigned int *);
147: #endif
148:
149: #if __BSD_VISIBLE || __XPG_VISIBLE >= 400
150: double drand48(void);
151: double erand48(unsigned short[3]);
152: long jrand48(unsigned short[3]);
153: void lcong48(unsigned short[7]);
1.62 deraadt 154: void lcong48_deterministic(unsigned short[7]);
1.35 millert 155: long lrand48(void);
156: long mrand48(void);
157: long nrand48(unsigned short[3]);
158: unsigned short *seed48(unsigned short[3]);
1.62 deraadt 159: unsigned short *seed48_deterministic(unsigned short[3]);
1.35 millert 160: void srand48(long);
1.62 deraadt 161: void srand48_deterministic(long);
1.35 millert 162:
1.46 millert 163: int putenv(char *);
1.35 millert 164: #endif
165:
1.50 guenther 166: /*
167: * XSI functions marked LEGACY in IEEE Std 1003.1-2001 (POSIX) and
168: * removed in IEEE Std 1003.1-2008
169: */
170: #if __BSD_VISIBLE || __XPG_VISIBLE < 700
171: char *ecvt(double, int, int *, int *);
172: char *fcvt(double, int, int *, int *);
173: char *gcvt(double, int, char *);
174: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
175: char *mktemp(char *);
176: #endif
177: #endif /* __BSD_VISIBLE || __XPG_VISIBLE < 700 */
178:
1.35 millert 179: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
180: long a64l(const char *);
181: char *l64a(long);
182:
183: char *initstate(unsigned int, char *, size_t)
184: __attribute__((__bounded__ (__string__,2,3)));
185: long random(void);
1.50 guenther 186: char *setstate(char *);
1.35 millert 187: void srandom(unsigned int);
1.62 deraadt 188: void srandom_deterministic(unsigned int);
1.35 millert 189:
1.56 martynas 190: char *realpath(const char *, char *)
191: __attribute__((__bounded__ (__minbytes__,2,1024)));
1.35 millert 192:
1.50 guenther 193: /*
194: * XSI functions marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001
195: */
196: #if __BSD_VISIBLE || __XPG_VISIBLE < 600
1.35 millert 197: int ttyslot(void);
198: void *valloc(size_t); /* obsoleted by malloc() */
1.50 guenther 199: #endif
1.35 millert 200: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
201:
202: /*
1.50 guenther 203: * 4.4BSD, then XSI in XPG4.2, then added to POSIX base in IEEE Std 1003.1-2008
204: */
205: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
206: int mkstemp(char *);
207: #endif
208:
209: /*
1.35 millert 210: * ISO C99
211: */
1.37 millert 212: #if __ISO_C_VISIBLE >= 1999
1.35 millert 213: long long
214: atoll(const char *);
215: long long
216: llabs(long long);
1.39 djm 217: lldiv_t
218: lldiv(long long, long long);
1.35 millert 219: long long
1.64 tedu 220: strtoll(const char *__restrict, char **__restrict, int);
1.35 millert 221: unsigned long long
1.64 tedu 222: strtoull(const char *__restrict, char **__restrict, int);
1.35 millert 223: #endif
224:
225: /*
226: * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
227: */
1.50 guenther 228: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
229: int posix_memalign(void **, size_t, size_t);
1.35 millert 230: int setenv(const char *, const char *, int);
1.46 millert 231: int unsetenv(const char *);
1.51 millert 232: #endif
233: #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200112
234: char *ptsname(int);
235: int grantpt(int);
236: int unlockpt(int);
237: #endif
238: #if __POSIX_VISIBLE >= 200112
239: int posix_openpt(int);
1.35 millert 240: #endif
241:
1.50 guenther 242: /*
243: * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX)
244: */
245: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
246: char *mkdtemp(char *);
247: #endif
248:
1.55 millert 249: #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
1.54 millert 250: int getsubopt(char **, char * const *, char **);
251: #endif
252:
1.60 guenther 253: /*
254: * The Open Group Base Specifications, post-Issue 7
255: */
256: #if __BSD_VISIBLE
257: int mkostemp(char *, int);
258: #endif
259:
1.35 millert 260: #if __BSD_VISIBLE
1.63 tedu 261: #define alloca(n) __builtin_alloca(n)
1.1 deraadt 262:
1.16 millert 263: char *getbsize(int *, long *);
264: char *cgetcap(char *, const char *, int);
265: int cgetclose(void);
266: int cgetent(char **, char **, const char *);
267: int cgetfirst(char **, char **);
268: int cgetmatch(char *, const char *);
269: int cgetnext(char **, char **);
270: int cgetnum(char *, const char *, long *);
271: int cgetset(const char *);
272: int cgetusedb(int);
273: int cgetstr(char *, const char *, char **);
274: int cgetustr(char *, const char *, char **);
275:
276: int daemon(int, int);
1.65 millert 277: char *devname(dev_t, mode_t);
1.16 millert 278: int getloadavg(double [], int);
1.52 ajacouto 279:
280: const char *
281: getprogname(void);
282: void setprogname(const char *);
1.1 deraadt 283:
284: extern char *suboptarg; /* getsubopt(3) external variable */
285:
1.35 millert 286: int mkstemps(char *, int);
1.60 guenther 287: int mkostemps(char *, int, int);
1.35 millert 288:
1.17 millert 289: int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
290: int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
291: int radixsort(const unsigned char **, int, const unsigned char *,
292: unsigned);
293: int sradixsort(const unsigned char **, int, const unsigned char *,
294: unsigned);
1.1 deraadt 295:
1.16 millert 296: void srandomdev(void);
1.35 millert 297: long long
298: strtonum(const char *, long long, long long, const char **);
1.16 millert 299:
300: void setproctitle(const char *, ...)
1.15 krw 301: __attribute__((__format__ (__printf__, 1, 2)));
1.1 deraadt 302:
1.16 millert 303: quad_t qabs(quad_t);
304: qdiv_t qdiv(quad_t, quad_t);
1.64 tedu 305: quad_t strtoq(const char *__restrict, char **__restrict, int);
306: u_quad_t strtouq(const char *__restrict, char **__restrict, int);
1.16 millert 307:
1.59 beck 308: uint32_t arc4random(void);
309: uint32_t arc4random_uniform(uint32_t);
1.41 otto 310: void arc4random_buf(void *, size_t)
311: __attribute__((__bounded__ (__string__,1,2)));
312:
1.35 millert 313: #endif /* __BSD_VISIBLE */
1.1 deraadt 314:
315: __END_DECLS
316:
317: #endif /* _STDLIB_H_ */
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