add libcurl basic example

ai-conversation/audio_capture.c

@@ -3,6 +3,7 @@
 #include <alsa/asoundlib.h>
 #include <alsa/control.h>
 #include <alsa/pcm.h>
+#include <curl/curl.h>
 
 // NOTE: find this via `arecord -l`
 #define ALSA_MIC_HARDWARE_DEVICE "hw:3"
@@ -13,6 +14,32 @@ void print_pcm_state(snd_pcm_t *pcm_handle) {
     printf("State of pcm handle: %s\n", state_name);
 }
 
+size_t write_callback(void *contents, size_t size, size_t nmemb, void *userp) {
+    size_t total_size = size * nmemb;
+    printf("%.*s", (int)total_size, (char*)contents);
+    return total_size;
+}
+
+void test_request() {
+  CURL *curl;
+  CURLcode res;
+  curl = curl_easy_init();
+
+  if (curl) {
+    curl_easy_setopt(curl, CURLOPT_URL, "https://www.google.com");
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+
+    res = curl_easy_perform(curl);
+    if (res != CURLE_OK)
+    {
+      fprintf(stderr, "curl failed: %s\n", curl_easy_strerror(res));
+      return;
+    }
+
+    curl_easy_cleanup(curl);
+  }
+}
+
 int main() {
     snd_pcm_t *pcm_handle = NULL;