home *** CD-ROM | disk | FTP | other *** search
- /* $Header: slinit.c,v 1.2 85/03/18 13:18:52 nicklin Exp $ */
-
- /*
- * Author: Peter J. Nicklin
- */
-
- /*
- * slinit() returns a pointer to the head block of a new list, or null
- * pointer if out of memory.
- */
- #include <stdio.h>
- #include "null.h"
- #include "slist.h"
-
- extern char *PGN; /* program name */
-
- SLIST *
- slinit()
- {
- char *malloc(); /* memory allocator */
- SLIST *slist; /* pointer to list head block */
-
- if ((slist = (SLIST *) malloc(sizeof(SLIST))) == NULL)
- {
- if (*PGN != '\0')
- fprintf(stderr, "%s: ", PGN);
- fprintf(stderr, "out of memory\n");
- return(NULL);
- }
- slist->nk = 0;
- slist->maxkey = 0;
- slist->head = slist->curblk = slist->tail = NULL;
- return(slist);
- }
-