use libc::size_t instead of u64
use libc::size_t instead of u64

little-dude/libpnet,mrmonday/libpnet,libpnet/libpnet,mrmonday/libpnet,fsck/libpnet,symphorien/libpnet,mrmonday/libpnet,libpnet/libpnet,little-dude/libpnet,mrmonday/libpnet,symphorien/libpnet,fsck/libpnet,fsck/libpnet,libpnet/libpnet,symphorien/libpnet,symphorien/libpnet,little-dude/libpnet,little-dude/libpnet,libpnet/libpnet,fsck/libpnet