Defined in header
std::messages_base provides a type definition which is inherited and used by the std::messages facets.
 Member types
||An unspecified signed integer type|
 Defect reports
The following behavior-changing defect reports were applied retroactively to previously published C++ standards.
|DR||Applied to||Behavior as published||Correct behavior|
||defined as an unspecified signed integer type|
- The catalog type
nl_catdused in POSIX messaging API is a typedef of an unspecified type.
 See also
| implements retrieval of strings from message catalogs |