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GENLIB_PLACE_VIA_REF

put a via on top of a reference belonging to an instance in the current figure

#include <genlib.h>
void GENLIB_PLACE_VIA_REF(insname, refname, viatype)
char  ∗insname, ∗refname;
char viatype;

See the file man1/alc_origin.1.

Name of the instance in the which the reference is to be searched for
Name of the reference to be used as target point
Type of via to be placed

PLACE_VIA_REF places a via of type viatype on top of the specified reference, refname, in the instance called insname. This function may be used to generate many cells from a single one, in order to "program" decoders for example, or in conjuction with PLACE_SEG_REF(3) or PLACE_CON_REF(3) to translate virtual connectors into fixed ones.
The viatype argument may take the following legal values:

links POLY and ALU1
links NDIF and ALU1
links PDIF and ALU1
links NTIE and ALU1
links PTIE and ALU1
links ALU1 and ALU2
links ALU2 and ALU3

"GENLIB_PLACE_VIA_REF impossible : missing GENLIB_DEF_PHFIG"

No figure has been yet specified by a call to DEF_PHFIG. So it isn't possible to place a reference inside it. you must call DEF_PHFIG before any other layout action.
"illegal getphins : instance insname does not exist"
The instance called insname does not currently belong to the figure.
"illegal getphref : references called refname does not exist"
No reference called refname exists in the model of the instance insname.

#include <genlib.h>
main()
{
	/∗ Create a figure to work on  ∗/
	GENLIB_DEF_PHFIG("cell");
	GENLIB_PLACE("gaci0_b", "r1", NOSYM, 23L, 54L);
	/∗ Put a reference ∗/
	GENLIB_PLACE_VIA_REF("a_0", "r1", CONT_VIA);
	/∗ Save that on disk ∗/
	GENLIB_SAVE_PHFIG();
}

dpr(1), genlib(1), GENLIB_DEF_PHFIG(3), GENLIB_SAVE_PHFIG(3), GENLIB_PHREF(3), GENLIB_PHVIA(3), GENLIB_COPY_UP_REF(3), GENLIB_COPY_UP_ALL_REF(3), GENLIB_PLACE_CON_REF(3), GENLIB_PLACE_SEG_REF(3), GENLIB_PLACE_VIA_REF(3).

See the file man1/alc_bug_report.1.