// Sizeof returns the size in bytes occupied by the value v. The size is that of the
// "top level" of the value only. For instance, if v is a slice, it returns the size of
// the slice descriptor, not the size of the memory referenced by the slice.
-func Sizeof(v ArbitraryType) int
+func Sizeof(v ArbitraryType) uintptr
// Offsetof returns the offset within the struct of the field represented by v,
// which must be of the form struct_value.field. In other words, it returns the
// number of bytes between the start of the struct and the start of the field.
-func Offsetof(v ArbitraryType) int
+func Offsetof(v ArbitraryType) uintptr
// Alignof returns the alignment of the value v. It is the maximum value m such
// that the address of a variable with the type of v will always always be zero mod m.
// If v is of the form obj.f, it returns the alignment of field f within struct object obj.
-func Alignof(v ArbitraryType) int
+func Alignof(v ArbitraryType) uintptr
// Typeof returns the type of an interface value, a runtime.Type.
func Typeof(i interface{}) (typ interface{})