2 @section @code{putc_unlocked}
5 POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/putc_unlocked.html}
9 Portability problems fixed by Gnulib:
12 This function cannot be called from plain inline or extern inline functions
17 Portability problems not fixed by Gnulib:
20 This function is missing on some platforms:
21 Minix 3.1.8, mingw, MSVC 9.
23 On some platforms, this function does not set @code{errno} or the
24 stream error indicator on attempts to write to a read-only stream: