debian man page for delchain

Query: delchain

OS: debian

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

DELCHAIN(3)						       MBK UTILITY FUNCTIONS						       DELCHAIN(3)

NAME
delchain - delete an element of a chain_list
ORIGIN
This software belongs to the ALLIANCE CAD SYSTEM developed by the ASIM team at LIP6 laboratory of Universite Pierre et Marie CURIE, in Paris, France. Web : http://asim.lip6.fr/recherche/alliance/ E-mail : alliance-users@asim.lip6.fr
SYNOPSYS
#include "mut.h" chain_list *delchain(pthead, ptdel) chain_list *pthead; chain_list *ptdel;
PARAMETERS
pthead Pointer to a chain list ptdel Pointer to the element to be deleted.
DESCRIPTION
delchain deletes the element of the chain_list pointed to by ptdel in the list pointed to by pthead. The list consistency is maintainded, and the element put back in the list of free blocks.
RETURN VALUE
delchain returns a pointer to the new head of list if the ptdel pointer used to belong to the list. In most case, it has the value of pthead. If the pointer doesn't belong to the list, NULL is returned.
ERROR
"*** mbk error *** delchain impossible : pointer NULL" At least one of the arguments are pointing to NULL, and that clear that such a pointer can't be deleted, or used for freeing.
EXAMPLE
#include "mut.h" void delete_match(c0, c1) chain_list *c0, *c1; { chain_list *t0, *t1, *next; for (t0 = c0; t0; t0 = next) for (t1 = c1; t1; t1 = t1->NEXT) if (t1->DATA == t0->DATA) next = delchain(c0, t0); }
SEE ALSO
mbk(1), chain(3), addchain(3), freechain(3).
BUG REPORT
This tool is under development at the ASIM department of the LIP6 laboratory. We need your feedback to improve documentation and tools.
ASIM
/LIP6 October 1, 1997 DELCHAIN(3)
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