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- /*
- * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
- * See the copyright notice in the ACK home directory, in the file "Copyright".
- */
- /* $Id$ */
- #include <string.h>
- char *
- strstr(register const char *s, register const char *wanted)
- {
- register const int len = strlen(wanted);
- if (len == 0) return (char *)s;
- while (*s != *wanted || strncmp(s, wanted, len))
- if (*s++ == '\0')
- return (char *)NULL;
- return (char *)s;
- }
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