Similar to makeMemDefined except that addressability is not altered: bytes which are addressable are marked as defined, but those which are not addressable are left unchanged.
pub fn makeMemDefinedIfAddressable(qzz: []const u8) void
pub fn makeMemDefinedIfAddressable(qzz: []const u8) void {
_ = doClientRequestExpr(0, // default return
.MakeMemDefinedIfAddressable, @intFromPtr(qzz.ptr), qzz.len, 0, 0, 0);
}