lib/ansi/mblen.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        <stdlib.h>
   8 #include        <limits.h>
   9
  10 #define CHAR_SHIFT      8
  11
  12 int
  13 mblen(const char *s, size_t n)
  14 {
  15         if (s == (const char *)NULL) return 0;  /* no state dependent codings */
  16         if (n <= 0) return 0;
  17         return (*s != 0);
  18 }