CP/M/CPM_CDROM.iso/cpm/smallc21/smc21lib.lbr/ISCNTRL.C

Text File | 1985-04-01 | 256 b | 13 lines

/*
** Return "true" if c is a control character
** (0 - 31 or 127)
*/
iscntrl(c) char *c; {
  /* c is simulated unsigned integer */
  return ((c <= 31) || (c == 127));
  }