/* * Below is the given application for lab1_3. * This app performs a long loop, during which, timers are * generated and pop messages to our screen. */ #include "user_lib.h" #include "util/types.h" int main(void) { printu("Hello world!\n"); int i; for (i = 0; i < 100000000; ++i) { if (i % 5000000 == 0) printu("wait %d\n", i); } exit(0); return 0; }