gboolean sc_g_list_bigger(GList *list, gint max);
gboolean sc_g_slist_bigger(GSList *list, gint max);
-GMutex *cm_mutex_new(void);
-void cm_mutex_free(GMutex *mutex);
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int cm_canonicalize_filename(const gchar *filename, gchar **canonical_name);
guchar *g_base64_decode_zero(const gchar *text, gsize *out_len);