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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>
- int
- strcmp(register const char *s1, register const char *s2)
- {
- while (*s1 == *s2++) {
- if (*s1++ == '\0') {
- return 0;
- }
- }
- if (*s1 == '\0') return -1;
- if (*--s2 == '\0') return 1;
- return (unsigned char) *s1 - (unsigned char) *s2;
- }
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