Removes all keys and their associated values from a #GHashTable.
If the #GHashTable was created using g_hash_table_new_full(),
the keys and values are freed using the supplied destroy functions,
otherwise you have to make sure that any dynamically allocated
values are freed yourself.
Removes all keys and their associated values from a #GHashTable.
If the #GHashTable was created using g_hash_table_new_full(), the keys and values are freed using the supplied destroy functions, otherwise you have to make sure that any dynamically allocated values are freed yourself.