/* * Below is the given application for lab1_challenge1_backtrace. * This app prints all functions before calling print_backtrace(). */ #include "user_lib.h" #include "util/types.h" void f8() { print_backtrace(7); } void f7() { f8(); } void f6() { f7(); } void f5() { f6(); } void f4() { f5(); } void f3() { f4(); } void f2() { f3(); } void f1() { f2(); } int main(void) { printu("back trace the user app in the following:\n"); f1(); exit(0); return 0; }