@node putchar_unlocked
@section @code{putchar_unlocked}
@findex putchar_unlocked

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/putchar_unlocked.html}

Gnulib module: ---

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
mingw.
@end itemize
