@node j0
@section @code{j0}
@findex j0

POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/j0.html}

Gnulib module: j0

Portability problems fixed by Gnulib:
@itemize
@end itemize

Portability problems not fixed by Gnulib:
@itemize
@end itemize
