Hello World by libuv

hello_uv.c

#include <stdio.h>
#include "uv.h"
static void cb(uv_write_t* req, int status) {
  printf("Hello from Callback.\n");
  uv_unref(uv_default_loop());
}
int main() {
  uv_tty_t tty;
  uv_write_t req;
  int ret = uv_tty_init(uv_default_loop(), &tty, 1, 0);
  uv_buf_t bufs[] = {uv_buf_init("Hello UV!\n",10)};
  ret = uv_write(&req, (uv_stream_t*)&tty, bufs, 1, cb);
  uv_run(uv_default_loop());
  return 0;
}

Makefile

hello_uv: hello_uv.c
        gcc -g  -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I../libuv/include -o hello_uv hello_uv.c ../libuv/uv.a -pthread -lrt -lm
clean:
        rm hello_uv