#include "kernel/types.h" #include "kernel/stat.h" #include "kernel/fcntl.h" #include "user/user.h" #define SZ 4096 char buf[SZ]; int main(void) { int i, n; while (1) { n = statistics(buf, SZ); for (i = 0; i < n; i++) { write(1, buf+i, 1); } if (n != SZ) break; } exit(0); }