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Name

addchain - create a chain and add it to a list

Origin

This software belongs to the ALLIANCE CAD system from the CAO-VLSI team at ASIM/LIP6/UPMC laboratory.
LIP6/ASIM
University P. et M. Curie 4, place Jussieu 75252 PARIS Cedex 05 FRANCE
Fax : {33/0} 1.44.27.62.86
E-mail support : alliance-support@asim.lip6.fr

Synopsys

#include mut315.h"
chain_list *addchain(pthead, ptdata)
chain_list *pthead;
void *ptdata;

Parameters

pthead
Pointer to a chain_list
ptdata
Generic pointer to any kind of information

Description

addchain creates a new chain element and adds it to the front of the list pointed to by pthead, and becomes itself the list head. The chain_lists are mosty used to create temporary lists of homogeneous elements, for binary trees, and so on. The ptdata points to any kind of list or may itself be a value, if proper cast is performed at compilation time, and fills the DATA field of the chain structure. For details on the structure, see chain(3) .

Return Value

addchain returns a pointer to the new head of list.

Example

#include mut315.h"
#include mlo315.h"
chain_list *get_external_connectors(ptfig) lofig_list *ptfig;
{
locon_list *pt = ptfig->LOCON;
chain_list *c = NULL; /* initialized for regularity */ while (pt) {
if (pt->TYPE == EXTERNAL)
c = addchain(c, (void *)pt)
pt = pt->NEXT;
}
return c;

}

See Also

mbk(1) , chain(3) , freechain(3) , delchain(3) .

Bug Report

This tool is under development at the ASIM/LIP6/UPMC laboratory, cao-vlsi research team.
We need your feedbak to improve documentation and tools. If you find bugs, please fill-in the form at http://asim.lip6.fr/alliance/support/bug-report/ Thanks for doing this.


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