lib/ansi/mbtowc.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 int
  11 mbtowc(wchar_t *pwc, register const char *s, size_t n)
  12 {
  13         if (s == (const char *)NULL) return 0;
  14         if (n <= 0) return 0;
  15         if (pwc) *pwc = *s;
  16         return (*s != 0);
  17 }