@node getprotobynumber_r
@subsection @code{getprotobynumber_r}
@findex getprotobynumber_r

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:
MacOS X 10.5, FreeBSD 6.0, HP-UX 11, IRIX 5.3, Cygwin, mingw, Interix 3.5, BeOS.
@end itemize