title	__readcr0 | Microsoft Docs
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__readcr0

Microsoft Specific

Reads the CR0 register and returns its value.

Syntax

unsigned long __readcr0(void);  /* X86 */  
unsigned __int64 __readcr0(void);  /* X64 */  
  

Return Value

The value in the CR0 register.

Requirements

Intrinsic	Architecture
__readcr0	x86, [!INCLUDEvcprx64]

Header file <intrin.h>

Remarks

This intrinsic is only available in kernel mode, and the routine is only available as an intrinsic.

END Microsoft Specific

See Also

Compiler Intrinsics