#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>

struct mydat {
	pthread_t pth;
	char    **env;
	pid_t     pid;
	int       status;
};

extern char **environ;

void *callfunc(void *data)
{
	struct mydat *dat = data;
	int pid;
	int i;
	
	printf("Pointer BEFORE THE FORK env is %p\n", dat->env);
	i = 0;
	while (dat->env[i]) {
		printf(" env[%d] is %s\n", i, dat->env[i]);
		i++;
	}


	pid = fork();
	if (pid == 0) {
		int i;
		printf("This is the child\n");
		
		printf("Pointer env is %p\n", dat->env);
		i = 0;
		while (dat->env[i]) {
			printf(" env[%d] is %s\n", i, dat->env[i]);
			i++;
		}
		
		exit(0);
	} else {
		int status;
		
		dat->pid = pid;
		waitpid(pid, &status, 0);
		dat->status = status;
		printf("Child exited with %d\n", WEXITSTATUS(status));
	}
}

void newthread(struct mydat *dat)
{
	if (pthread_create(&dat->pth, NULL, callfunc, dat)) {
		perror("Couldn't create thread\n");
		return;
	}
	
	pthread_join(dat->pth, NULL);
}

int main(int argc, char **argv)
{
	struct mydat *dat;
	int   value1;
	int   valueb1, valueb2;
	int   fd1, fd2;
	char *env2[] = { "APPTESTRESULT=42", (char *)0 };
	char *env[] = { (char *)0 };
	
	dat = malloc(sizeof(struct mydat));

	dat->env = env;
	newthread(dat);
	
	free(dat);
}