/*************************************************************
 * File: lib/iscntrl.c
 * Purpose: Part of C runtime library
 * Author: Phil Bunce (pjb@carmel.com)
 * Revision History:
 *	970304	Start of revision history
 */

/** iscntrl(c) returns true if c is delete or control character */
iscntrl(c)
int c;
{
if (c == 0x7f) return(1);
if (c < ' ') return(1);
return(0);
}