gistfile1.c

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

#include <event.h>
#include <evhttp.h>

static void getindex(struct evhttp_request *req, void *arg)
{
    struct evbuffer *buf = evbuffer_new();
    size_t len;

    evbuffer_add_printf(buf, "hello, world\n");
    evhttp_send_reply(req, 200, "OK", buf);

    evbuffer_free(buf);
}

int main(int argc, char **argv)
{
    struct event_base *evbase;
    struct evhttp *evhttp;
    int rc;

    evbase = event_init();
    evhttp = evhttp_new(evbase);
    evhttp_bind_socket(evhttp, NULL, 8081);

    evhttp_set_cb(evhttp, "/", getindex, NULL);
    evhttp_set_cb(evhttp, "/index.html", getindex, NULL);

    rc = event_base_loop(evbase, 0);
    if (rc) fprintf(stderr, "event_loop returned %d\n", rc);

    evhttp_free(evhttp);

    event_base_free(evbase);
    return EXIT_SUCCESS;
}