compiler-warning-level-4-c4057.md

description	title	ms.date	f1_keywords	helpviewer_keywords	ms.assetid
Learn more about: Compiler Warning (level 4) C4057	Compiler Warning (level 4) C4057	11/04/2016	C4057	C4057	e75d0645-84c9-4bef-a812-942ed9879aa3

Compiler Warning (level 4) C4057

'operator' : 'identifier1' indirection to slightly different base types from 'identifier2'

Two pointer expressions refer to different base types. The expressions are used without conversion.

To fix by checking the following possible causes

1. Mixing signed and unsigned types.

2. Mixing short and long types.