GetLocalesFromEnvironment
status_t GetLocalesFromEnvironment(int category, const char** locales);
GetLocalesFromEnvironment(LC_ALL, locales);
GetLocalesFromEnvironment(lc, locales);
using BPrivate::Libroot::GetLocalesFromEnvironment;
using BPrivate::Libroot::GetLocalesFromEnvironment;
GetLocalesFromEnvironment(category, locales);