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strerror
POSIX specification:
http://www.opengroup.org/onlinepubs/9699919799/functions/strerror.html
Gnulib module: strerror
Portability problems fixed by Gnulib:
strerror(0)
(by setting
errno
or using a string similar to out-of-range values),
although POSIX requires this to leave errno
unchanged and
report success, on some platforms:
FreeBSD 8.2, OpenBSD 4.7, Mac OS X 10.5.
strerror
without setting and testing
errno
.)
Portability problems not fixed by Gnulib: