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header.h
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header.h
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#pragma once
#define _POSIX_C_SOURCE 199309L
#define _GNU_SOURCE
#include <unistd.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
#include <sys/sem.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <signal.h>
#define SOCKET_TIMEOUT 10
#define MAX_LINE 1000
#define PORT 25000
#define MAX_PENDING 5
#define REQUESTCODE1 1
#define REQUESTCODE2 2
#define Error_(x,y) { puts(x); exit(y); }
//function declarations.
ssize_t Readline(int socket_descriptor, void *vptr, size_t maxlenght);
ssize_t Writeline(int socket_descriptor, const void *vptr, size_t n);
int Lines_counter( FILE * f );
void display();
void try_connection();
void unconnect();
int request_1();
int request_2();
int request_3();
int quit();
int Writefile( int socket_descriptor, FILE *f);