Specifies the type of the function passed to g_hash_table_foreach(). It is called with each key/value pair, together with the user_data parameter which is passed to g_hash_table_foreach().
user_data
a key
the value corresponding to the key
Specifies the type of the function passed to g_hash_table_foreach(). It is called with each key/value pair, together with the
user_dataparameter which is passed to g_hash_table_foreach().