#ifndef FUNCTIONS_H_INCLUDED
#define FUNCTIONS_H_INCLUDED

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <netdb.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <sys/select.h>

// getstdin() return codes
#define OK       0
#define NO_INPUT 1
#define TOO_LONG 2

// Print a debugging message, if debugging enabled
void debug(char *string);

// Get stdin line with buffer overrun protection
int getstdin(char *prompt, char *buff, size_t sz);

// Append CR-LF to the end of a string (after cleaning up any existing trailing CR or LF)
void appendcrlf(char *string);

#endif