getbsize
header = getbsize(&headerlen, &blocksize);
(void)getbsize(¬used, &blocksize);
char *getbsize(int *, long *);
PROTO_DEPRECATED(getbsize);
header = getbsize(&headerlen, &blocksize);
header = getbsize(&hlen, &blocksize);
(void)getbsize(¬used, &blocksize);
char *bs = getbsize(&hlen, &blocksize);
header = getbsize(&hlen, &blocksize);
header = getbsize(&headerlen, &blocksize);