# liblangtag API References

Database APIs
  Database — convenient function sets to deal with the language tags database
  Database - Extlang — An interface to access Extlang Database
  Database - Grandfathered — An interface to access Grandfathered Database
  Database - Language — An interface to access Language Database
  Database - Redundant — An interface to access Redundant Database
  Database - Region — An interface to access Region Database
  Database - Relation — An interface to access relation database
  Database - Script — An interface to access Script Database
  Database - Variant — An interface to access Variant Database
Container APIs
  Container - Extension — A container class for Extension subtag
  Container - Extlang — A container class for Extlang subtag
  Container - Grandfathered — A container class for Grandfathered subtag
  Container - Language — A container class for Language subtag
  Container - Redundant — A container class for Redundant subtag
  Container - Region — A container class for Region subtag
  Container - Script — A container class for Script subtag
  Container - Tag — A container class for Language tag
  Container - Variant — A container class for Variant subtag
Module APIs
  Module - Accessor — A module class to extend features in lt_extension_t.
  Module - Data — A container class for Extension module data.
Utilities APIs
  Miscellaneous Macros — macros used in liblangtag
  Error — Error handling
  Doubly-Linked Lists — linked lists
  Strings — text buffers which grow automatically as text is added
  Iterator — An interface to iterate over the key/value pairs in an initiated object.

## Database APIs

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