#include <stdlib.h>
#include <stdio.h> 	/* printf */
#include <string.h>	/* strlen */

int main()
{
	int n;
	int fd[2];
	char buf[1025];
	char *data = "messaggio di prova";

	pipe(fd);
	write(fd[1], data, strlen(data));
	if ((n = read(fd[0], buf, 1024)) >= 0) {
		buf[n] = 0;	/* termina la stringa */
		printf("letti %d bytes dalla pipe: \"%s\"\n", n, buf);
	}	
	else
		perror("read");
	exit(0);
}