LG_256            472 src/vfs/tar/tar-internal.c         signbit = *where & (1 << (LG_256 - 2));
LG_256            473 src/vfs/tar/tar-internal.c         topbits = ((uintmax_t) - signbit) << (UINTMAX_WIDTH - LG_256 - (LG_256 - 2));
LG_256            475 src/vfs/tar/tar-internal.c         value = (*where++ & ((1 << (LG_256 - 2)) - 1)) - signbit;
LG_256            482 src/vfs/tar/tar-internal.c             value = (value << LG_256) + uc;
LG_256            486 src/vfs/tar/tar-internal.c             if (((value << LG_256 >> LG_256) | topbits) != value)