mktime_z         1189 lib/nstrftime.c             t = mktime_z (tz, &ltm);
mktime_z         1433 lib/nstrftime.c                 lt = mktime_z (tz, &ltm);
mktime_z          396 lib/time.in.h  _GL_FUNCDECL_SYS (mktime_z, time_t,
mktime_z          399 lib/time.in.h  _GL_CXXALIAS_SYS (mktime_z, time_t,
mktime_z         1724 src/timefns.c    time_t value = mktime_z (tz, &tm);