Families

	Family Definition
cg_family_write	Create a Family_t node (CGNSBase_t level)
cg_nfamilies	Get number of families (CGNSBase_t level)
cg_family_read	Read family info (CGNSBase_t level)
cg_family_name_write	Write multiple family names under Family_t (CGNSBase_t level)
cg_nfamily_names	Get number of family names under Family_t (CGNSBase_t level)
cg_family_name_read	Read multiple family names under Family_t (CGNSBase_t level)

	Family Hierarchy Tree
cg_node_family_write	Create a Family_t node (Family_t level)
cg_node_nfamilies	Get number of families (Family_t level)
cg_node_family_read	Read family info (Family_t level)
cg_node_family_name_write	Write multiple family names under Family_t (Family_t level)
cg_node_nfamily_names	Get number of family names under Family_t (Family_t level)
cg_node_family_name_read	Read multiple family names under Family_t (Family_t level)

	Geometry Reference
cg_geo_write	Create a GeometryReference_t node
cg_geo_read	Read geometry reference info
cg_part_write	Write geometry entity name
cg_part_read	Get geometry entity name

	Family Boundary Condition
cg_fambc_write	Write boundary condition type for a family
cg_fambc_read	Read boundary condition type for a family

	Family Name
cg_get_cgio	get the CGIO index number
cg_root_id	get the root node ID

Family Definition

Node: Family_t (SIDS, File Mapping)

Family Hierarchy Tree

Node: Family_t (SIDS, File Mapping)

Geometry Reference

Node: GeometryReference_t (SIDS, File Mapping)

Family Boundary Condition

Node: FamilyBC_t (SIDS, File Mapping)

Family Name

Node: FamilyName_t (SIDS, File Mapping)