Quick program for g_app_info_get_display_name

test.c

#include <gio/gdesktopappinfo.h>
#include <stdio.h>

// Compile with:
// gcc $(pkg-config --cflags gio-unix-2.0) $(pkg-config --libs gio-unix-2.0) test.c -o test

int main()
{
    GList *list;
    GAppInfo *app;

    list = g_app_info_get_all();

    while (list->next != NULL)
    {
        app = list->data;
        list = list->next;
        printf("%s\n", g_app_info_get_display_name(app));
    }

    return 0;
}