ex1

#include "./../deps/libuv/include/uv.h"
#include <stdio.h>

int msg;

void mkdir_cb (uv_fs_t* req) {
	int* msg = req->data;
	printf("send(%d)\n", *msg);
}

void main () {
	uv_loop_t* loop = uv_loop_new();	
	
	uv_fs_t req;
	msg = 432;
	req.data = &msg;
	
	const char* path = "test";
	
	uv_fs_mkdir(loop, &req, path, 0777, mkdir_cb);
	uv_run(loop);
}

ex2

#include "./../deps/libuv/include/uv.h"
#include <stdio.h>

//gcc -pthread ../deps/libuv/bin/*.o ex2.c -lrt -ldl -lm -o ex2

uv_loop_t* loop;

void timer_cb1 (uv_timer_t* timer, int status) {
	printf("1\n", status);
	uv_timer_stop(timer);
	uv_unref(loop);
}

void timer_cb2 (uv_timer_t* timer, int status) {
	printf("2\n", status);
	uv_timer_stop(timer);
	uv_unref(loop);
}

void main () {
	loop = uv_default_loop();
	
	uv_timer_t timer1;
	uv_timer_init(loop, &timer1);
	uv_timer_start(&timer1, (uv_timer_cb) &timer_cb1, 1000, 1000);
	
	uv_timer_t timer2;
	uv_timer_init(loop, &timer2);
	uv_timer_start(&timer2, (uv_timer_cb) &timer_cb1, 500, 1000);
	
	uv_run(loop);
}