Lines Matching defs:overhead
46 * The overhead on a block is at least 4 bytes. When free, this space
54 union overhead {
55 union overhead *ov_next; /* when free */
60 uchar_t ovu_pad[sizeof (union overhead *) - 2];
62 uchar_t ovu_pad[sizeof (union overhead *) - 2];
79 * The overhead information precedes the data area returned to the user.
88 static union overhead *nextf[NBUCKETS];
94 static int findbucket(union overhead *, int);
99 union overhead *op;
119 * sbrk(0) + sizeof (union overhead)
178 union overhead *op;
216 if (op == (union overhead *)-1)
219 op = (union overhead *)((caddr_t)op - sbrk_adjust);
227 op->ov_next = (union overhead *)((caddr_t)op + sz);
229 op = (union overhead *)((caddr_t)op + sz);
237 union overhead *op;
242 op = (union overhead *)((caddr_t)cp - sizeof (union overhead));
268 union overhead *op;
275 op = (union overhead *)((caddr_t)cp - sizeof (union overhead));
330 findbucket(union overhead *freep, int srchlen)
332 union overhead *p;