Nomad changes

docs/snippets/c/api/client_extract_single_file.md

@@ -0,0 +1,65 @@
+<!-- snippet:syntax-only -->
+
+```c title="C"
+#include <curl/curl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct response_buffer {
+    char *data;
+    size_t size;
+};
+
+static size_t write_callback(void *contents, size_t size, size_t nmemb, void *userp) {
+    size_t total = size * nmemb;
+    struct response_buffer *buf = (struct response_buffer *)userp;
+    char *resized = realloc(buf->data, buf->size + total + 1);
+    if (!resized) {
+        return 0;
+    }
+    buf->data = resized;
+    memcpy(buf->data + buf->size, contents, total);
+    buf->size += total;
+    buf->data[buf->size] = '\0';
+    return total;
+}
+
+int main(void) {
+    curl_global_init(CURL_GLOBAL_DEFAULT);
+
+    CURL *curl = curl_easy_init();
+    if (!curl) {
+        fprintf(stderr, "curl_easy_init failed\n");
+        curl_global_cleanup();
+        return 1;
+    }
+
+    struct response_buffer response = {NULL, 0};
+
+    curl_mime *form = curl_mime_init(curl);
+    curl_mimepart *part = curl_mime_addpart(form);
+    curl_mime_name(part, "file");
+    curl_mime_filedata(part, "document.pdf");
+
+    curl_easy_setopt(curl, CURLOPT_URL, "http://localhost:8000/extract");
+    curl_easy_setopt(curl, CURLOPT_MIMEPOST, form);
+    curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_callback);
+    curl_easy_setopt(curl, CURLOPT_WRITEDATA, &response);
+
+    CURLcode rc = curl_easy_perform(curl);
+    if (rc != CURLE_OK) {
+        fprintf(stderr, "request failed: %s\n", curl_easy_strerror(rc));
+    } else {
+        long status = 0;
+        curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &status);
+        printf("HTTP %ld\n%s\n", status, response.data ? response.data : "(empty)");
+    }
+
+    free(response.data);
+    curl_mime_free(form);
+    curl_easy_cleanup(curl);
+    curl_global_cleanup();
+    return rc == CURLE_OK ? 0 : 1;
+}
+```