gtype.sgml

this is a glib for c language

<!-- ##### SECTION Title ##### -->
Type Information

<!-- ##### SECTION Short_Description ##### -->


<!-- ##### SECTION Long_Description ##### -->
<para>

</para>


<!-- ##### SECTION See_Also ##### -->
<para>

</para>


<!-- ##### SECTION Stability_Level ##### -->


<!-- ##### TYPEDEF GType ##### -->
<para>

</para>


<!-- ##### MACRO G_TYPE_FUNDAMENTAL ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_FUNDAMENTAL_MAX ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_MAKE_FUNDAMENTAL ##### -->
<para>

</para>

@x: 


<!-- ##### MACRO G_TYPE_IS_ABSTRACT ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_DERIVED ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_FUNDAMENTAL ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_VALUE_TYPE ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_HAS_VALUE_TABLE ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_CLASSED ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_INSTANTIATABLE ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_DERIVABLE ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_DEEP_DERIVABLE ##### -->
<para>

</para>

@type: 


<!-- ##### MACRO G_TYPE_IS_INTERFACE ##### -->
<para>

</para>

@type: 


<!-- ##### STRUCT GTypeInterface ##### -->
<para>

</para>


<!-- ##### STRUCT GTypeInstance ##### -->
<para>

</para>


<!-- ##### STRUCT GTypeClass ##### -->
<para>

</para>


<!-- ##### STRUCT GTypeInfo ##### -->
<para>

</para>

@class_size: 
@base_init: 
@base_finalize: 
@class_init: 
@class_finalize: 
@class_data: 
@instance_size: 
@n_preallocs: 
@instance_init: 
@value_table: 

<!-- ##### STRUCT GTypeFundamentalInfo ##### -->
<para>

</para>

@type_flags: 

<!-- ##### STRUCT GInterfaceInfo ##### -->
<para>

</para>

@interface_init: 
@interface_finalize: 
@interface_data: 

<!-- ##### STRUCT GTypeValueTable ##### -->
<para>

</para>

@value_init: 
@value_free: 
@value_copy: 
@value_peek_pointer: 
@collect_format: 
@collect_value: 
@lcopy_format: 
@lcopy_value: 

<!-- ##### MACRO G_TYPE_FROM_INSTANCE ##### -->
<para>

</para>

@instance: 


<!-- ##### MACRO G_TYPE_FROM_CLASS ##### -->
<para>

</para>

@g_class: 


<!-- ##### MACRO G_TYPE_FROM_INTERFACE ##### -->
<para>

</para>

@g_iface: 


<!-- ##### MACRO G_TYPE_INSTANCE_GET_CLASS ##### -->
<para>

</para>

@instance: 
@g_type: 
@c_type: 


<!-- ##### MACRO G_TYPE_INSTANCE_GET_INTERFACE ##### -->
<para>

</para>

@instance: 
@g_type: 
@c_type: 


<!-- ##### MACRO G_TYPE_INSTANCE_GET_PRIVATE ##### -->
<para>

</para>

@instance: 
@g_type: 
@c_type: 


<!-- ##### MACRO G_TYPE_CHECK_INSTANCE ##### -->
<para>

</para>

@instance: 


<!-- ##### MACRO G_TYPE_CHECK_INSTANCE_CAST ##### -->
<para>

</para>

@instance: 
@g_type: 
@c_type: 


<!-- ##### MACRO G_TYPE_CHECK_INSTANCE_TYPE ##### -->
<para>

</para>

@instance: 
@g_type: 


<!-- ##### MACRO G_TYPE_CHECK_CLASS_CAST ##### -->
<para>

</para>

@g_class: 
@g_type: 
@c_type: 


<!-- ##### MACRO G_TYPE_CHECK_CLASS_TYPE ##### -->
<para>

</para>

@g_class: 
@g_type: 


<!-- ##### MACRO G_TYPE_CHECK_VALUE ##### -->
<para>

</para>

@value: 


<!-- ##### MACRO G_TYPE_CHECK_VALUE_TYPE ##### -->
<para>

</para>

@value: 
@g_type: 


<!-- ##### MACRO G_TYPE_FLAG_RESERVED_ID_BIT ##### -->
<para>

</para>



<!-- ##### FUNCTION g_type_init ##### -->
<para>

</para>



<!-- ##### ENUM GTypeDebugFlags ##### -->
<para>

</para>

@G_TYPE_DEBUG_NONE: 
@G_TYPE_DEBUG_OBJECTS: 
@G_TYPE_DEBUG_SIGNALS: 
@G_TYPE_DEBUG_MASK: 

<!-- ##### FUNCTION g_type_init_with_debug_flags ##### -->
<para>

</para>

@debug_flags: 


<!-- ##### FUNCTION g_type_name ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_qname ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_from_name ##### -->
<para>

</para>

@name: 
@Returns: 


<!-- ##### FUNCTION g_type_parent ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_depth ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_next_base ##### -->
<para>

</para>

@leaf_type: 
@root_type: 
@Returns: 


<!-- ##### FUNCTION g_type_is_a ##### -->
<para>

</para>

@type: 
@is_a_type: 
@Returns: 


<!-- ##### FUNCTION g_type_class_ref ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_class_peek ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_class_peek_static ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_class_unref ##### -->
<para>

</para>

@g_class: 


<!-- ##### FUNCTION g_type_class_peek_parent ##### -->
<para>

</para>

@g_class: 
@Returns: 


<!-- ##### FUNCTION g_type_class_add_private ##### -->
<para>

</para>

@g_class: 
@private_size: 


<!-- ##### FUNCTION g_type_interface_peek ##### -->
<para>

</para>

@instance_class: 
@iface_type: 
@Returns: 


<!-- ##### FUNCTION g_type_interface_peek_parent ##### -->
<para>

</para>

@g_iface: 
@Returns: 


<!-- ##### FUNCTION g_type_default_interface_ref ##### -->
<para>

</para>

@g_type: 
@Returns: 


<!-- ##### FUNCTION g_type_default_interface_peek ##### -->
<para>

</para>

@g_type: 
@Returns: 


<!-- ##### FUNCTION g_type_default_interface_unref ##### -->
<para>

</para>

@g_iface: 


<!-- ##### FUNCTION g_type_children ##### -->
<para>

</para>

@type: 
@n_children: 
@Returns: 


<!-- ##### FUNCTION g_type_interfaces ##### -->
<para>

</para>

@type: 
@n_interfaces: 
@Returns: 


<!-- ##### FUNCTION g_type_interface_prerequisites ##### -->
<para>

</para>

@interface_type: 
@n_prerequisites: 
@Returns: 


<!-- ##### FUNCTION g_type_set_qdata ##### -->
<para>

</para>

@type: 
@quark: 
@data: 


<!-- ##### FUNCTION g_type_get_qdata ##### -->
<para>

</para>

@type: 
@quark: 
@Returns: 


<!-- ##### FUNCTION g_type_query ##### -->
<para>

</para>

@type: 
@query: 


<!-- ##### STRUCT GTypeQuery ##### -->
<para>

</para>

@type: 
@type_name: 
@class_size: 
@instance_size: 

<!-- ##### USER_FUNCTION GBaseInitFunc ##### -->
<para>

</para>

@g_class: 


<!-- ##### USER_FUNCTION GBaseFinalizeFunc ##### -->
<para>

</para>

@g_class: 


<!-- ##### USER_FUNCTION GClassInitFunc ##### -->
<para>

</para>

@g_class: 
@class_data: 


<!-- ##### USER_FUNCTION GClassFinalizeFunc ##### -->
<para>

</para>

@g_class: 
@class_data: 


<!-- ##### USER_FUNCTION GInstanceInitFunc ##### -->
<para>

</para>

@instance: 
@g_class: 


<!-- ##### USER_FUNCTION GInterfaceInitFunc ##### -->
<para>

</para>

@g_iface: 
@iface_data: 


<!-- ##### USER_FUNCTION GInterfaceFinalizeFunc ##### -->
<para>

</para>

@g_iface: 
@iface_data: 


<!-- ##### USER_FUNCTION GTypeClassCacheFunc ##### -->
<para>

</para>

@cache_data: 
@g_class: 
@Returns: 


<!-- ##### ENUM GTypeFlags ##### -->
<para>

</para>

@G_TYPE_FLAG_ABSTRACT: 
@G_TYPE_FLAG_VALUE_ABSTRACT: 

<!-- ##### ENUM GTypeFundamentalFlags ##### -->
<para>

</para>

@G_TYPE_FLAG_CLASSED: 
@G_TYPE_FLAG_INSTANTIATABLE: 
@G_TYPE_FLAG_DERIVABLE: 
@G_TYPE_FLAG_DEEP_DERIVABLE: 

<!-- ##### FUNCTION g_type_register_static ##### -->
<para>

</para>

@parent_type: 
@type_name: 
@info: 
@flags: 
@Returns: 


<!-- ##### FUNCTION g_type_register_static_simple ##### -->
<para>

</para>

@parent_type: 
@type_name: 
@class_size: 
@class_init: 
@instance_size: 
@instance_init: 
@flags: 
@Returns: 


<!-- ##### FUNCTION g_type_register_dynamic ##### -->
<para>

</para>

@parent_type: 
@type_name: 
@plugin: 
@flags: 
@Returns: 


<!-- ##### FUNCTION g_type_register_fundamental ##### -->
<para>

</para>

@type_id: 
@type_name: 
@info: 
@finfo: 
@flags: 
@Returns: 


<!-- ##### FUNCTION g_type_add_interface_static ##### -->
<para>

</para>

@instance_type: 
@interface_type: 
@info: 


<!-- ##### FUNCTION g_type_add_interface_dynamic ##### -->
<para>

</para>

@instance_type: 
@interface_type: 
@plugin: 


<!-- ##### FUNCTION g_type_interface_add_prerequisite ##### -->
<para>

</para>

@interface_type: 
@prerequisite_type: 


<!-- ##### FUNCTION g_type_get_plugin ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_interface_get_plugin ##### -->
<para>

</para>

@instance_type: 
@interface_type: 
@Returns: 


<!-- ##### FUNCTION g_type_fundamental_next ##### -->
<para>

</para>

@Returns: 


<!-- ##### FUNCTION g_type_fundamental ##### -->
<para>

</para>

@type_id: 
@Returns: 


<!-- ##### FUNCTION g_type_create_instance ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### FUNCTION g_type_free_instance ##### -->
<para>

</para>

@instance: 


<!-- ##### FUNCTION g_type_add_class_cache_func ##### -->
<para>

</para>

@cache_data: 
@cache_func: 


<!-- ##### FUNCTION g_type_remove_class_cache_func ##### -->
<para>

</para>

@cache_data: 
@cache_func: 


<!-- ##### FUNCTION g_type_class_unref_uncached ##### -->
<para>

</para>

@g_class: 


<!-- ##### FUNCTION g_type_add_interface_check ##### -->
<para>

</para>

@check_data: 
@check_func: 


<!-- ##### FUNCTION g_type_remove_interface_check ##### -->
<para>

</para>

@check_data: 
@check_func: 


<!-- ##### USER_FUNCTION GTypeInterfaceCheckFunc ##### -->
<para>

</para>

@check_data: 
@g_iface: 


<!-- ##### FUNCTION g_type_value_table_peek ##### -->
<para>

</para>

@type: 
@Returns: 


<!-- ##### MACRO G_DEFINE_TYPE ##### -->
<para>

</para>

@TN: 
@t_n: 
@T_P: 


<!-- ##### MACRO G_DEFINE_TYPE_WITH_CODE ##### -->
<para>

</para>

@TN: 
@t_n: 
@T_P: 
@_C_: 


<!-- ##### MACRO G_DEFINE_ABSTRACT_TYPE ##### -->
<para>

</para>

@TN: 
@t_n: 
@T_P: 


<!-- ##### MACRO G_DEFINE_ABSTRACT_TYPE_WITH_CODE ##### -->
<para>

</para>

@TN: 
@t_n: 
@T_P: 
@_C_: 


<!-- ##### MACRO G_IMPLEMENT_INTERFACE ##### -->
<para>

</para>

@TYPE_IFACE: 
@iface_init: 


<!-- ##### MACRO G_DEFINE_TYPE_EXTENDED ##### -->
<para>

</para>

@TN: 
@t_n: 
@T_P: 
@_f_: 
@_C_: 


<!-- ##### MACRO G_TYPE_INVALID ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_NONE ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_INTERFACE ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_CHAR ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_UCHAR ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_BOOLEAN ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_INT ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_UINT ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_LONG ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_ULONG ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_INT64 ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_UINT64 ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_ENUM ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_FLAGS ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_FLOAT ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_DOUBLE ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_STRING ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_POINTER ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_BOXED ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_PARAM ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_OBJECT ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_GTYPE ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_RESERVED_GLIB_FIRST ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_RESERVED_GLIB_LAST ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_RESERVED_BSE_FIRST ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_RESERVED_BSE_LAST ##### -->
<para>

</para>



<!-- ##### MACRO G_TYPE_RESERVED_USER_FIRST ##### -->
<para>

</para>