_DebugContext
const char * _DebugContext() { return fDebugContext; }
const char * _DebugContext() { return fDebugContext; }
const char * _DebugContext() { return " request"; };
"ata%s: ", _DebugContext()); \
"ata%s: %s: ", _DebugContext(), \
"ata%s: ", _DebugContext()); \
"ata%s error: ", _DebugContext()); \