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