write complete c program to connect to firestore?

firestore.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
#include <jansson.h>

// This function is called by libcurl when it receives a chunk of data from the server
size_t write_data(char *ptr, size_t size, size_t nmemb, void *userdata)
{
  // Append the received data to the buffer
  json_t *root = (json_t *)userdata;
  json_error_t error;
  json_t *data = json_loads(ptr, 0, &error);
  json_array_extend(root, data);

  // Return the number of bytes received to indicate success
  return size * nmemb;
}

int main(int argc, char *argv[])
{
  // Initialize the libcurl and jansson libraries
  curl_global_init(CURL_GLOBAL_ALL);
  json_set_alloc_funcs(malloc, free);

  // Create a new CURL handle
  CURL *curl = curl_easy_init();

  if (curl)
  {
    // Set the URL to send the request to
    curl_easy_setopt(curl, CURLOPT_URL, "https://firestore.googleapis.com/v1/projects/myproject/databases/(default)/documents/mycollection");

    // Set the request method to GET
    curl_easy_setopt(curl, CURLOPT_HTTPGET, 1L);

    // Set the callback function to receive the response data
    json_t *root = json_array();
    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
    curl_easy_setopt(curl, CURLOPT_WRITEDATA, root);

    // Send the request and get the response
    CURLcode res = curl_easy_perform(curl);

    // Check for errors
    if (res != CURLE_OK)
    {
      fprintf(stderr, "Error: %s\n", curl_easy_strerror(res));
    }
    else
    {
      // Parse the response data
      json_t *documents = json_object_get(root, "documents");
      if (json_is_array(documents))
      {
        // Print the names of the documents
        printf("List of documents:\n");
        size_t index;
        json_t *document;
        json_array_foreach(documents, index, document)
        {
          json_t *name = json_object_get(document, "name");
          printf("%s\n", json_string_value(name));
        }
      }
    }