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/*
* File: util.h
* Author: Andy Sayler
* Modified: Shiv Mishra
* Project: CSCI 3753 Programming Assignment 3
* Create Date: 2012/02/01
* Modify Date: 2012/02/01
* Modify Date: 2016/09/26
* Description:
* This file contains declarations of utility functions for
* Programming Assignment 3.
*
*/
#ifndef UTIL_H
#define UTIL_H
/* Define the following to enable debug statments */
// #define UTIL_DEBUG
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#define UTIL_FAILURE -1
#define UTIL_SUCCESS 0
/* Fuction to return the first IP address found
* for hostname. IP address returned as string
* firstIPstr of size maxsize
*/
int dnslookup(const char* hostname,
char* firstIPstr,
int maxSize);
#endif
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