NAME

guessextdir - guess external connectors directions from internal connectors directions

See the file buster/alliance/alc_origin.1.en.gz.

SYNOPSYS

#include "mlo.h"
int guessextdir(ptfig)
lofig_list ∗ptfig;

PARAMETER

ptfig: Pointer to a lofig_list

DESCRIPTION

The guessextdir function guesses external connectors directions from internal connectors' ones. The translation table below indicates the resulting direction for two internals connectors.



         IN      OUT      INOUT  UNKNOWN  TRISTATE TRANSCV
IN       IN      INOUT    INOUT  IN       TRANSCV  TRANSCV
OUT      INOUT   OUT+     INOUT+ OUT      OUT+     TRANSCV+
INOUT    INOUT   INOUT+   INOUT+ INOUT    INOUT+   INOUT+
UNKNOWN  IN      OUT      INOUT  UNKNOWN  TRISTATE TRANSCV
TRISTATE TRANSCV OUT+     INOUT+ TRISTATE TRISTATE TRANSCV
TRANSCV  TRANSCV TRANSCV+ INOUT+ TRANSCV  TRANSCV  TRANSCV

RETURN VALUE

guessextdir returns 1 on success, 0 if there is an error in the translation.

ERROR

The values followed by a + character in the translation table indicate an error.

EXAMPLE

#include "mut.h"
#include "mlo.h"
lofig_list ∗ getgoodlofig(figname, mode)
char ∗figname;
char mode;
{
lofig_list ∗ptfig;
	ptfig = getlofig(figname, mode);
	restorealldir(ptfig);
	guessextdir(ptfig);
	return ptfig;
}