#ifdef PROTOTYPES int foo (void) #else int foo () #endif { int y; volatile int x; x = 5; x = 5; x = 5; y = 3; return x + y; } #ifdef PROTOTYPES int main (void) #else int main () #endif { int y, z; y = 2; z = 9; y = foo (); z = y; y = y + 2; /* jump here */ y = baz (); return 0; /* until here */ } #ifdef PROTOTYPES int baz (void) #else int baz () #endif { return 5; }