ack/lang/cem/libcc.ansi/string/strcspn.c

22 lines
428 B
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Header$ */
#include <string.h>
size_t
strcspn(const char *string, const char *notin)
{
register const char *s1, *s2;
for (s1 = string; *s1; s1++) {
for(s2 = notin; *s2 != *s1 && *s2; s2++)
/* EMPTY */ ;
if (*s2)
break;
}
return s1 - string;
}