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- /*
- (C) 1995 AROS - The Amiga Replacement OS
- $Id: remhead.c 1.1 1995/11/05 22:49:09 digulla Exp digulla $
- $Log: remhead.c $
- * Revision 1.1 1995/11/05 22:49:09 digulla
- * Initial revision
- *
- Desc:
- Lang: english
- */
- /* I want the macros */
- #define AROS_ALMOST_COMPATIBLE
- #include "exec_intern.h"
-
- /*****************************************************************************
-
- NAME */
- #include <exec/lists.h>
- #include <clib/exec_protos.h>
-
- __AROS_LH1I(struct Node *, RemHead,
-
- /* SYNOPSIS */
- __AROS_LA(struct List *, list, A0),
-
- /* LOCATION */
- struct SysBase *, SysBase, 43, Exec)
-
- /* FUNCTION
- Remove the first node from a list.
-
- INPUTS
- list - Remove the node from this list
-
- RESULT
- The node that has been removed.
-
- NOTES
-
- EXAMPLE
- struct List * list;
- struct Node * head;
-
- // Remove node and return it
- head = RemHead (list);
-
- BUGS
-
- SEE ALSO
-
- INTERNALS
-
- HISTORY
- 26-08-95 digulla created after EXEC-Routine
- 26-10-95 digulla adjusted to new calling scheme
-
- ******************************************************************************/
- {
- struct Node * node;
-
- assert (list);
- /*
- Unfortunately, there is no (quick) check that the node
- is in a list
- */
-
- /* Get the address of the first node or NULL */
- if (node = GetHead (list))
- {
- /* normal code to remove a node */
- node->ln_Pred->ln_Succ = node->ln_Succ;
- node->ln_Succ->ln_Pred = node->ln_Pred;
- }
-
- /* Return the address or NULL */
- return node;
- } /* RemHead */
-
-