#include <unistd.h>    /*  'execle' */
#include <stdio.h>      /*  'printf' and 'NULL' */
#include <stdlib.h>     /*  'errno' */
#include <errno.h>      /*  'ENOENT' and 'ENOMEM' */
 
char *environ[] = {"PATH=C:\\TEST", NULL};
//extern char	**environ;

int main(void)
{
	pid_t	pid;

	if ( (pid = fork()) < 0) 	err_sys("fork error");
	else if (pid == 0) {	/* specifica il nome e l'ambiente */
		if (execle("spp28", "spp28", "arg1", "arg2", NULL, environ) < 0)
		    err_sys("execle error");
	}

	if (waitpid(pid, NULL, 0) < 0) err_sys("wait error");

	if ( (pid = fork()) < 0) 	err_sys("fork error");
	else if (pid == 0) {	/* specifica il path e eredita l'ambiente */
		if (execlp("/home/em/spp28", "spp28", "solo_1_arg", NULL) < 0)
			err_sys("execlp error");
	}
	exit(0);
}