Annotation of src/include/stdlib.h, Revision 1.67
1.67 ! fcambus 1: /* $OpenBSD: stdlib.h,v 1.66 2016/09/09 18:12:37 millert 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
1.58 tedu 116: void *reallocarray(void *, size_t, size_t);
1.57 deraadt 117: #endif /* __BSD_VISIBLE */
1.17 millert 118: void qsort(void *, size_t, size_t, int (*)(const void *, const void *));
1.16 millert 119: int rand(void);
120: void *realloc(void *, size_t);
121: void srand(unsigned);
1.62 deraadt 122: void srand_deterministic(unsigned);
1.64 tedu 123: double strtod(const char *__restrict, char **__restrict);
124: float strtof(const char *__restrict, char **__restrict);
125: long strtol(const char *__restrict, char **__restrict, int);
1.45 martynas 126: long double
1.64 tedu 127: strtold(const char *__restrict, char **__restrict);
1.1 deraadt 128: unsigned long
1.64 tedu 129: strtoul(const char *__restrict, char **__restrict, int);
1.16 millert 130: int system(const char *);
1.1 deraadt 131:
132: /* these are currently just stubs */
1.16 millert 133: int mblen(const char *, size_t);
134: size_t mbstowcs(wchar_t *, const char *, size_t);
135: int wctomb(char *, wchar_t);
136: int mbtowc(wchar_t *, const char *, size_t);
137: size_t wcstombs(char *, const wchar_t *, size_t);
1.1 deraadt 138:
1.35 millert 139: /*
140: * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
141: */
1.50 guenther 142: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 199506 || defined(_REENTRANT)
1.35 millert 143: int rand_r(unsigned int *);
144: #endif
145:
146: #if __BSD_VISIBLE || __XPG_VISIBLE >= 400
147: double drand48(void);
148: double erand48(unsigned short[3]);
149: long jrand48(unsigned short[3]);
150: void lcong48(unsigned short[7]);
1.62 deraadt 151: void lcong48_deterministic(unsigned short[7]);
1.35 millert 152: long lrand48(void);
153: long mrand48(void);
154: long nrand48(unsigned short[3]);
155: unsigned short *seed48(unsigned short[3]);
1.62 deraadt 156: unsigned short *seed48_deterministic(unsigned short[3]);
1.35 millert 157: void srand48(long);
1.62 deraadt 158: void srand48_deterministic(long);
1.35 millert 159:
1.46 millert 160: int putenv(char *);
1.35 millert 161: #endif
162:
1.50 guenther 163: /*
164: * XSI functions marked LEGACY in IEEE Std 1003.1-2001 (POSIX) and
165: * removed in IEEE Std 1003.1-2008
166: */
167: #if __BSD_VISIBLE || __XPG_VISIBLE < 700
168: char *ecvt(double, int, int *, int *);
169: char *fcvt(double, int, int *, int *);
170: char *gcvt(double, int, char *);
171: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
172: char *mktemp(char *);
173: #endif
174: #endif /* __BSD_VISIBLE || __XPG_VISIBLE < 700 */
175:
1.35 millert 176: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
177: long a64l(const char *);
178: char *l64a(long);
179:
180: char *initstate(unsigned int, char *, size_t)
181: __attribute__((__bounded__ (__string__,2,3)));
182: long random(void);
1.50 guenther 183: char *setstate(char *);
1.35 millert 184: void srandom(unsigned int);
1.62 deraadt 185: void srandom_deterministic(unsigned int);
1.35 millert 186:
1.56 martynas 187: char *realpath(const char *, char *)
188: __attribute__((__bounded__ (__minbytes__,2,1024)));
1.35 millert 189:
1.50 guenther 190: /*
191: * XSI functions marked LEGACY in XPG5 and removed in IEEE Std 1003.1-2001
192: */
193: #if __BSD_VISIBLE || __XPG_VISIBLE < 600
1.35 millert 194: int ttyslot(void);
195: void *valloc(size_t); /* obsoleted by malloc() */
1.50 guenther 196: #endif
1.35 millert 197: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
198:
199: /*
1.50 guenther 200: * 4.4BSD, then XSI in XPG4.2, then added to POSIX base in IEEE Std 1003.1-2008
201: */
202: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
203: int mkstemp(char *);
204: #endif
205:
206: /*
1.35 millert 207: * ISO C99
208: */
1.37 millert 209: #if __ISO_C_VISIBLE >= 1999
1.35 millert 210: long long
211: atoll(const char *);
212: long long
213: llabs(long long);
1.39 djm 214: lldiv_t
215: lldiv(long long, long long);
1.35 millert 216: long long
1.64 tedu 217: strtoll(const char *__restrict, char **__restrict, int);
1.35 millert 218: unsigned long long
1.64 tedu 219: strtoull(const char *__restrict, char **__restrict, int);
1.35 millert 220: #endif
221:
222: /*
223: * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX)
224: */
1.50 guenther 225: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200112
226: int posix_memalign(void **, size_t, size_t);
1.35 millert 227: int setenv(const char *, const char *, int);
1.46 millert 228: int unsetenv(const char *);
1.51 millert 229: #endif
230: #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200112
231: char *ptsname(int);
232: int grantpt(int);
233: int unlockpt(int);
234: #endif
235: #if __POSIX_VISIBLE >= 200112
236: int posix_openpt(int);
1.35 millert 237: #endif
238:
1.50 guenther 239: /*
240: * The Open Group Base Specifications, Issue 7; IEEE Std 1003.1-2008 (POSIX)
241: */
242: #if __BSD_VISIBLE || __POSIX_VISIBLE >= 200809
243: char *mkdtemp(char *);
244: #endif
245:
1.55 millert 246: #if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
1.54 millert 247: int getsubopt(char **, char * const *, char **);
248: #endif
249:
1.60 guenther 250: /*
251: * The Open Group Base Specifications, post-Issue 7
252: */
253: #if __BSD_VISIBLE
254: int mkostemp(char *, int);
255: #endif
256:
1.35 millert 257: #if __BSD_VISIBLE
1.63 tedu 258: #define alloca(n) __builtin_alloca(n)
1.1 deraadt 259:
1.16 millert 260: char *getbsize(int *, long *);
261: char *cgetcap(char *, const char *, int);
262: int cgetclose(void);
263: int cgetent(char **, char **, const char *);
264: int cgetfirst(char **, char **);
265: int cgetmatch(char *, const char *);
266: int cgetnext(char **, char **);
267: int cgetnum(char *, const char *, long *);
268: int cgetset(const char *);
269: int cgetusedb(int);
270: int cgetstr(char *, const char *, char **);
271: int cgetustr(char *, const char *, char **);
272:
273: int daemon(int, int);
1.65 millert 274: char *devname(dev_t, mode_t);
1.16 millert 275: int getloadavg(double [], int);
1.52 ajacouto 276:
277: const char *
278: getprogname(void);
279: void setprogname(const char *);
1.1 deraadt 280:
281: extern char *suboptarg; /* getsubopt(3) external variable */
282:
1.35 millert 283: int mkstemps(char *, int);
1.60 guenther 284: int mkostemps(char *, int, int);
1.35 millert 285:
1.17 millert 286: int heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
287: int mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
288: int radixsort(const unsigned char **, int, const unsigned char *,
289: unsigned);
290: int sradixsort(const unsigned char **, int, const unsigned char *,
291: unsigned);
1.1 deraadt 292:
1.16 millert 293: void srandomdev(void);
1.35 millert 294: long long
295: strtonum(const char *, long long, long long, const char **);
1.16 millert 296:
297: void setproctitle(const char *, ...)
1.15 krw 298: __attribute__((__format__ (__printf__, 1, 2)));
1.1 deraadt 299:
1.16 millert 300: quad_t qabs(quad_t);
301: qdiv_t qdiv(quad_t, quad_t);
1.64 tedu 302: quad_t strtoq(const char *__restrict, char **__restrict, int);
303: u_quad_t strtouq(const char *__restrict, char **__restrict, int);
1.16 millert 304:
1.59 beck 305: uint32_t arc4random(void);
306: uint32_t arc4random_uniform(uint32_t);
1.41 otto 307: void arc4random_buf(void *, size_t)
308: __attribute__((__bounded__ (__string__,1,2)));
309:
1.35 millert 310: #endif /* __BSD_VISIBLE */
1.1 deraadt 311:
312: __END_DECLS
313:
314: #endif /* _STDLIB_H_ */
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