/**********************************************************
util.h

Written by: XXXXXXXXXXXXX 
Written on: 26 October 1995
Modifications: 7 November 1995
 
Written in: ANSI C.

This file contains the prototype information
and declarations for the file: util.c.

***********************************************************/
#include<stdio.h>

#define TRUE  1
#define FALSE 0

typedef char Bool;        /* create a boolean data type */


/* Functional Prototypes. */
int gcd(int a, int b);
int ngcd(int *a, int b);
Bool containSpecialCharactersP(char *str, int len);
Bool subsetP(char *str1, int len1, char *str2, int len2);
char up2LowerCase(char c);