source: trunk/minix/lib/ansi/strstr.c@ 10

Last change on this file since 10 was 9, checked in by Mattia Monga, 13 years ago

Minix 3.1.2a

File size: 540 bytes
Line 
1/*
2 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
3 * See the copyright notice in the ACK home directory, in the file "Copyright".
4 */
5/* $Header: /cvsup/minix/src/lib/ansi/strstr.c,v 1.1.1.1 2005/04/21 14:56:06 beng Exp $ */
6
7#include <string.h>
8
9char *
10strstr(register const char *s, register const char *wanted)
11{
12 register const size_t len = strlen(wanted);
13
14 if (len == 0) return (char *)s;
15 while (*s != *wanted || strncmp(s, wanted, len))
16 if (*s++ == '\0')
17 return (char *)NULL;
18 return (char *)s;
19}
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