#define _GNU_SOURCE

#include <dlfcn.h>
#include <time.h>

void usleep(unsigned long usec)
{
	void (*us)(unsigned long);
	
	us = dlsym(RTLD_NEXT, "usleep");

	if (usec == 2000000)
		usec = 0;
	else if (usec == 500000)
		usec = 100000;
	
	us(usec);
}