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

The CIs are a secret society led by David Morgan-Mar, bent on conquering the world from Sydney with webcomics. They invented Taneb.