text: #include<stdio.h>
  #include<string.h>
  #include<gio/gio.h>
  #include"simple-resources.h"
  
  #define EXPECTED "This is a resource.\n"
  
  int main(int argc, char **argv) {
      GResource *res = simple_resources_get_resource();
      GError *err = NULL;
      GBytes *data = g_resources_lookup_data("/com/example/myprog/res1.txt",
              G_RESOURCE_LOOKUP_FLAGS_NONE, &err);
  
      if(data == NULL) {
          fprintf(stderr, "Data lookup failed: %s\n", err->message);
          return 1;
      }
      if(strcmp(g_bytes_get_data(data, NULL), EXPECTED) != 0) {
          fprintf(stderr, "Resource contents are wrong:\n %s\n",
                  (const char*)g_bytes_get_data(data, NULL));
          return 1;
      }
      fprintf(stdout, "All ok.\n");
      g_bytes_unref(data);
      g_resource_unref(res);
      return 0;
  }
  