// $Id: pipe1.c,v 1.1 2004-12-16 08:24:46+09 kaiya Exp kaiya $
#include <stdio.h>
#include <unistd.h>

main(int argc, char* argv[]){
int pipes[2];
char* str;
char buf[100];
int r, w;

	if(argc<2) exit(2);
	str=argv[1];

	if(pipe(pipes)<0) exit(1);

	w=write(pipes[1], str, strlen(str));
	r=read(pipes[0], buf, w);
	write(1, buf, r);

	printf(", data %d bytes, write %d bytes, read %d bytes.\n",
		strlen(str), w, r); 
}