Javascript anonymous functions in C.

anonymous_functions.c

#include <stdio.h>
#include <unistd.h>

//create a function that recieves a function pointer, and any arguments
void _foo(void (*function)()) {
	function("Foo", 555);
}

void _setTimeout(void (*function)(), float time) {
	sleep((float)time/1000);	
	function();
}

/* define a macro that creates a function with the given parameters and func, then, pass them
to its predefined function */

#define foo(x, y) {void func x {y} _foo(func);}
#define setTimeout(x, y, z) {void func x {y} _setTimeout(func, z);}

int main() {
	foo((char *s, int i), {
		printf("%s: %i\n", s, i);
	});
	
	setTimeout((), {
		printf("Hello, world!\n");
	}, 3000);		
}