#include #include void main(void); void main() { if (fg_capslock()) printf("CapsLock is on.\n"); else printf("CapsLock is off.\n"); if (fg_numlock()) printf("NumLock is on.\n"); else printf("NumLock is off.\n"); if (fg_scrlock()) printf("ScrollLock is on.\n"); else printf("ScrollLock is off.\n"); }