C/Visual C - obtener url

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <curl/curl.h>

// Estructura para almacenar los datos de la respuesta

struct MemoryStruct {

    char *memory;

    size_t size;

};

// Callback para manejar los datos recibidos

size_t WriteMemoryCallback(void *contents, size_t size, size_t nmemb, struct MemoryStruct *userp) {

    size_t realsize = size * nmemb;

    userp->memory = realloc(userp->memory, userp->size + realsize + 1);

    if (userp->memory == NULL) {

        printf("Error al reasignar memoria\n");

        return 0; // Out of memory

    }

    memcpy(&(userp->memory[userp->size]), contents, realsize);

    userp->size += realsize;

    userp->memory[userp->size] = 0; // Null-terminate

    return realsize;

}

int main(void) {

    CURL *curl;

    CURLcode res;

    struct MemoryStruct chunk;

    chunk.memory = malloc(1);  // Inicializa la memoria

    chunk.size = 0;            // Tamaño inicial

    curl_global_init(CURL_GLOBAL_DEFAULT);

    curl = curl_easy_init();

    if(curl) {

        curl_easy_setopt(curl, CURLOPT_URL, "http://www.ejemplo.com"); // Cambia la URL aquí

        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, WriteMemoryCallback);

        curl_easy_setopt(curl, CURLOPT_WRITEDATA, (void *)&chunk);

        curl_easy_setopt(curl, CURLOPT_USERAGENT, "libcurl-agent/1.0");

        // Realiza la solicitud

        res = curl_easy_perform(curl);

        if(res != CURLE_OK) {

            fprintf(stderr, "curl_easy_perform() falló: %s\n", curl_easy_strerror(res));

        } else {

            // Imprime el código HTML

            printf("%s\n", chunk.memory);

        }

        // Limpia

        curl_easy_cleanup(curl);

        free(chunk.memory);

    }

    curl_global_cleanup();

    return 0;

}

gcc -o obtener_html obtener_html.c -lcurl