/usr/include/errno.h
/usr/include/sys/ioctl.h
/usr/include/rpc/types.h
/usr/include/errno.h
(and the corresponding gcc-include-file) add
#include <net/errno.h>because of EWOULDBLOCK undefined in several places regarding lbx. Surround
/usr/include/net/errno.h
with
#ifndef _NET_ERRNO_H #define _NET_ERRNO_H ... #endif
to prevent multiple includes were <net/errno.h>
is explicit included from the sources.
/usr/include/errno.h
/usr/include/sys/ioctl.h
/usr/include/rpc/types.h