__mktime_internal   76 maint/gnulib/lib/mktime-internal.h extern __time64_t __mktime_internal (struct tm *tp,
__mktime_internal  533 maint/gnulib/lib/mktime.c   return __mktime_internal (tp, __localtime64_r, &localtime_offset);
__mktime_internal   34 maint/gnulib/lib/timegm.c   return __mktime_internal (tmp, __gmtime64_r, &gmtime_offset);