std::error_category::name

virtual const char* name() const noexcept = 0;

(since C++11)

Returns a pointer to a null-terminated byte string that specifies the name of the error category.

(none).

Null-terminated byte string specifying the name of the error category.

© cppreference.com
Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.
http://en.cppreference.com/w/cpp/error/error_category/name