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daylight
POSIX specification:
https://pubs.opengroup.org/onlinepubs/9699919799/functions/daylight.html
Gnulib module: —
Portability problems fixed by Gnulib:
Portability problems not fixed by Gnulib:
tzset
.
A more portable way of getting the UTC offset is to use
strftime
with the %z
format. See strftime
.