Shareware Grab Bag/Shareware Grab Bag.iso/007/bytesc88.arc/ISXDIGIT.C

Text File | 1987-10-04 | 256b | 10 lines

/*
** return 'true' if c is a hexadecimal digit
** (0-9, A-F, or a-f)
*/
isxdigit(c) int c; {
  return ((c<='f' && c>='a') ||
          (c<='F' && c>='A') ||
          (c<='9' && c>='0'));
  }