$allocate static method
Implementation
static ffi.Pointer<cmsghdr> $allocate(
ffi.Allocator $allocator, {
required int cmsg_len,
required int cmsg_level,
required int cmsg_type,
}) => $allocator<cmsghdr>()
..ref.cmsg_len = cmsg_len
..ref.cmsg_level = cmsg_level
..ref.cmsg_type = cmsg_type;