C/C++ Users Group Library 1996 July/C-C++ Users Group Library July 1996.iso/vol_200/221_01/isdigit.c

C/C++ Source or Header | 1980-01-01 | 256 b | 9 lines

#include stdio.h
/*
**  check if digit
**  return 1 if true else 0
*/
isdigit(c) char c; {
  return((c>='0') & (c<='9'));
  }