Erik! Are you intending to include madvise? If not, you should remove the extern and defines for MADV_*. Peter -- Peter S. Mazinger <ps.m at gmx.net> ID: 0xA5F059F2 NIC: IXUYHSKQLI Key fingerprint = 92A4 31E1 56BC 3D5A 2D08 BB6E C389 975E A5F0 59F2