auto OS X mouse click with delay

mouse-click.c

// clang mouse-click.c -o mouse-click -framework ApplicationServices
#include <ApplicationServices/ApplicationServices.h>
#include <unistd.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
	if (argc != 3)
	{
		fprintf(stderr, "usage: %s [seconds to wait] [number of clicks]\n", argv[0]);
		exit(EXIT_FAILURE);
	}
	int wait = strtol(argv[1], NULL, 10);
	int count = strtol(argv[2], NULL, 10);
	CGEventRef event = CGEventCreate(NULL);
	CGPoint mouse_pos = CGEventGetLocation(event);
	CFRelease(event);
	fprintf(stderr, "Mouse x: %.1f, y: %1f\n", mouse_pos.x, mouse_pos.y);
	CGEventRef mouse_down = CGEventCreateMouseEvent(NULL, kCGEventLeftMouseDown, mouse_pos, kCGMouseButtonLeft);
	CGEventRef mouse_up = CGEventCreateMouseEvent(NULL, kCGEventLeftMouseUp, mouse_pos, kCGMouseButtonLeft);

	do
	{
		fprintf(stderr, "...%d\n", wait);
		sleep(1);
	}
	while (wait--);

	do
	{
		if (count % 500 == 0) fprintf(stderr, "...%d clicks left\n", count);
		CGEventPost(kCGHIDEventTap, mouse_down);
		CGEventPost(kCGHIDEventTap, mouse_up);
		usleep(1000);
	}
	while (count--);

	CFRelease(mouse_down);
	CFRelease(mouse_up);

	return 0;
}