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#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
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