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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 *
- strtok(register char *string, const char *separators)
- {
- register char *s1, *s2;
- static char *savestring;
- if (string == NULL) {
- string = savestring;
- if (string == NULL) return (char *)NULL;
- }
- s1 = string + strspn(string, separators);
- if (*s1 == '\0') {
- savestring = NULL;
- return (char *)NULL;
- }
- s2 = strpbrk(s1, separators);
- if (s2 != NULL)
- *s2++ = '\0';
- savestring = s2;
- return s1;
- }
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