compiler-warning-level-3-c4995.md

title	Compiler Warning (level 3) C4995
description	Learn more about: Compiler Warning (level 3) C4995
ms.date	08/30/2022
f1_keywords	C4995
helpviewer_keywords	C4995

Compiler Warning (level 3) C4995

'function': name was marked as #pragma deprecated

Remarks

The compiler encountered a function that was marked with #pragma deprecated. The function may no longer be supported in a future release. You can turn off this warning by using #pragma warning.

The /sdl (Enable Additional Security Checks) compiler option elevates this warning to an error.

Example

The following example generates C4995. Uncomment the #pragma warning line to disable the warning.

// C4995.cpp
// compile with: /W3
#include <stdio.h>

// #pragma warning(disable : 4995)
void func1(void)
{
    printf("\nIn func1");
}

int main()
{
    func1();
    #pragma deprecated(func1)
    func1();   // C4995
}