1 /* 2 * cat standard input until you get a zero byte 3 */ 4 5 #include <u.h> 6 #include <libc.h> 7 8 void main(void)9main(void) 10 { 11 char buf[4096]; 12 char *p; 13 int n; 14 15 while((n = read(0, buf, sizeof(buf))) > 0){ 16 p = memchr(buf, 0, n); 17 if(p != nil) 18 n = p-buf; 19 if(n > 0) 20 write(1, buf, n); 21 if(p != nil) 22 break; 23 } 24 exits(0); 25 } 26 27