#include <stdio.h>
#include <time.h>

int
myfunc1(void)
{

	return (1);
}

int
myfunc2(void)
{

	return (2);
}

int myfunc(void) __attribute__((ifunc("myfunc_dispatch")));
/* __asm__ (".type myfunc, @gnu_indirect_function"); */

/* typeof(myfunc) *myfunc_dispatch(void) __asm__("myfunc"); */
typeof(myfunc) *
myfunc_dispatch(void)
{

	if (time(0) & 1) {
		/* If time is odd at first call, use version 1 */
		return (&myfunc1);
	}
	else {
		/* else use version 2 */
		return (&myfunc2);
	}
}

int
main(void)
{

	printf("Called function number %i\n", myfunc());
	return (0);
}