4.3BSD - /usr/src/new/spms/src/lib/libslist/src/slsget.c

   1: /* $Header$ */
   2: 
   3: /*
   4:  * Author: Peter J. Nicklin
   5:  */
   6: 
   7: /*
   8:  * slsget() returns a pointer to the next block in list slslist, or null
   9:  * upon reaching end of list.
  10:  */
  11: #include "null.h"
  12: #include "slslist.h"
  13: 
  14: SLSBLK *
  15: slsget(slslist)
  16:     SLSLIST *slslist;       /* pointer to list head block */
  17: {
  18:     SLSBLK *slsbptr;        /* block pointer */
  19: 
  20:     if (slslist->curblk != NULL)
  21:         {
  22:         slsbptr = slslist->curblk;
  23:         slslist->curblk = slslist->curblk->next;
  24:         return(slsbptr);
  25:         }
  26:     else
  27:         return(NULL);
  28: }

Defined functions