/*
 * Convert lower case to upper case.
 *
 * Input : pointer to string (with 0x00 on end).
 * Output: all char.s in string convert to upper case.
 */
toup(p)
char *p;
{
    while (*p != 0x00) {
        if ((*p > 96)&&(*p < 123)) {
            *p -= 32;
        }
        p++;
    }
    return (0);
}