<ais523> ` printf \'#include <stdio.h>\\nint main(void) { float C = 4.0; printf("%f", C/C++); }\' | gcc -Wall -Wextra -x c /dev/stdin

A high hat is the same as a top hat, not the same as a hi-hat, just like how a top quark is not the same as an up quark.