Balloc
if ((cgblk.b_un.b_buf = Balloc((unsigned int)sblock.fs_bsize)) == NULL)
bufp = Balloc((unsigned int)sblock.fs_bsize);
cgp = Balloc((unsigned int)sblock.fs_cgsize);
zero = Balloc(ZEROBUFSIZE);
if ((inobuf.b_un.b_buf = Balloc((unsigned)inobufsize)) == NULL)
copybuf = Balloc(sblock.fs_bsize);
sblk.b_un.b_buf = Balloc(SBLOCKSIZE);
(fsrbuf = Balloc(rdsize)) == NULL ||
(fsrbuf = Balloc(rdsize)) == NULL ||