xref: /titanic_41/usr/src/lib/libast/common/string/strlook.c (revision 257873cfc1dd3337766407f80397db60a56f2f5a)
1 /***********************************************************************
2 *                                                                      *
3 *               This software is part of the ast package               *
4 *           Copyright (c) 1985-2007 AT&T Knowledge Ventures            *
5 *                      and is licensed under the                       *
6 *                  Common Public License, Version 1.0                  *
7 *                      by AT&T Knowledge Ventures                      *
8 *                                                                      *
9 *                A copy of the License is available at                 *
10 *            http://www.opensource.org/licenses/cpl1.0.txt             *
11 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
12 *                                                                      *
13 *              Information and Software Systems Research               *
14 *                            AT&T Research                             *
15 *                           Florham Park NJ                            *
16 *                                                                      *
17 *                 Glenn Fowler <gsf@research.att.com>                  *
18 *                  David Korn <dgk@research.att.com>                   *
19 *                   Phong Vo <kpv@research.att.com>                    *
20 *                                                                      *
21 ***********************************************************************/
22 #pragma prototyped
23 /*
24  * Glenn Fowler
25  * AT&T Research
26  */
27 
28 #include <ast.h>
29 
30 /*
31  * return pointer to name in tab with element size siz
32  * where the first member of each element is a char*
33  *
34  * the last name in tab must be 0
35  *
36  * 0 returned if name not found
37  */
38 
39 void*
40 strlook(const void* tab, size_t siz, register const char* name)
41 {
42 	register char*	t = (char*)tab;
43 	register char*	s;
44 	register int	c = *name;
45 
46 	for (; s = *((char**)t); t += siz)
47 		if (*s == c && !strcmp(s, name))
48 			return (void*)t;
49 	return 0;
50 }
51