category_new
category_set_index
category_set_name
category_set_description
category_set_number_catalog
category_set_number_disk
category_set_number_folder
category_set_number_file
category_get_index
category_get_name
category_get_description
category_get_number_catalog
category_get_number_disk
category_get_number_folder
category_get_number_file
category_add_catalog
category_add_disk
category_add_folder
category_add_file
category_remove_catalog
category_remove_disk
category_remove_folder
category_remove_file
category_can_removed
category_free