/* FILE: callecho.c */
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

int main ()
{
char *argin[4];

argin[0]="myecho";
argin[1]="hello";
argin[2]="world!";
argin[3]=(char *)0;

printf("Esecuzione di myecho\n");
execvp(argin[0], argin);

printf("Errore in execvp\n");
exit(1);

}