p-fonk.c

#include <stdio.h>
#include <stdlib.h>

void
sleep(char *msg)
{
	fprintf(stdout, "%s", msg);
}

void
state(void(* fonk)(char *))
{
	(* fonk)("uyuyorum");
}

int
main()
{
	state(sleep);
	exit(EXIT_SUCCESS);
}