HelenOS sources

system_category   171 uspace/lib/cpp/include/__bits/system_error.hpp     const error_category& system_category() noexcept;
system_category   127 uspace/lib/cpp/src/system_error.cpp         : val_{}, cat_{&system_category()}
system_category   143 uspace/lib/cpp/src/system_error.cpp         cat_ = &system_category();