/* * (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 #include int mblen(const char *s, size_t n) { if (s == (char *)NULL) return 0; if (*s == '\0') return 0; if (n < 1 || n > MB_CUR_MAX) return -1; return MB_LEN_MAX; }