guessextdir(3)
guess external connectors directions from internal connectors directions
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;
}