#include <stdio.h>
#include <unistd.h>
void function1();
void function2();
void function3();
int main(void){
	function1();
	pid_t pid = fork();
	function2();
	if(pid == 0){
		printf("child process\n");
	} else {
		printf("parent process\n");
	}
	function3();
	return 0;
}

void function1(){
	printf("function1 called\n");
}

void function2(){
	printf("function2 called\n");
}

void function3(){
	printf("function3 called\n");
}