MINHEAD
inf.keepcost -= inf.hblks*(HEADSZ - MINHEAD);
minhead = MINHEAD;
static int minhead = MINHEAD;
nb = nb + MINHEAD;
holdhead[(nb-MINHEAD) / grain] =
holdhead[(nb-MINHEAD)/grain] =
holdhead[(nb-MINHEAD)/grain] = newhold;
newhold->blksz = nb-MINHEAD;
return ((char *)lblk + MINHEAD);
if (TESTSMAL(((struct header *)((char *)ptr - MINHEAD))->nextblk)) {
lblk = (struct lblk *)CLRBUSY((char *)ptr - MINHEAD);
if (TESTSMAL(((struct lblk *)((char *)ptr - MINHEAD))->
lblk = (struct lblk *)((char *)ptr - MINHEAD);
inf.keepcost += HEADSZ-MINHEAD;