lib/ip/memcspn.c

   1 /*
   2  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
   3  * See the copyright notice in the ACK home directory, in the file "Copyright".
   4  */
   5 /* $Header$ */
   6
   7 #include        <string.h>
   8
   9 size_t
  10 memcspn(const char *string, size_t strlen, const char *notin, size_t notinlen)
  11 {
  12         register const char *s1, *s2;
  13         int i,j;
  14
  15         for (s1 = string, i = 0; i<strlen; s1++, i++) {
  16                 for(s2 = notin, j = 0; *s2 != *s1 && j < notinlen; s2++, j++)
  17                         /* EMPTY */ ;
  18                 if (j != notinlen)
  19                         break;
  20         }
  21         return s1 - string;
  22 }