env_tz 209 maint/gnulib/lib/time_rz.c char *env_tz = getenv_TZ (); env_tz 210 maint/gnulib/lib/time_rz.c if (env_tz env_tz 211 maint/gnulib/lib/time_rz.c ? tz->tz_is_set && strcmp (tz->abbrs, env_tz) == 0 env_tz 216 maint/gnulib/lib/time_rz.c timezone_t old_tz = tzalloc (env_tz);