MINSIZE
char space[MINSIZE];
int stacknleft = MINSIZE;
if (blocksize < MINSIZE)
blocksize = MINSIZE;
sp = ckmalloc(sizeof(struct stack_block) - MINSIZE + blocksize);
sizeof(struct stack_block) - MINSIZE + newlen);
if (h->size < MINSIZE)
h->size = MINSIZE;
if (ns < MINSIZE)
ns = MINSIZE;
if ((uint32_t)opts->pagesize < MINSIZE)
errx(EXIT_FAILURE, "pagesize cannot be less than %zu", MINSIZE);