__writefsbyte, __writefsdword, __writefsqword, __writefsword 

Microsoft Specific

Write memory to a location specified by an offset relative to the beginning of the FS segment.

void __writefsbyte( 
   unsigned long Offset, 
   unsigned char Data 
);
void __writefsword( 
   unsigned long Offset, 
   unsigned short Data 
);
void __writefsdword( 
   unsigned long Offset, 
   unsigned long Data 
);
void __writefsqword( 
   unsigned long Offset, 
   unsigned __int64 Data 
);

Parameters

• [in] Offset
  The offset from the beginning of FS to write to.

• [in] Data
  The value to write.

Requirements

Intrinsic	Architecture
__writefsbyte	x86
__writefsword	x86
__writefsdword	x86
__writefsqword	x86

Header file <intrin.h>

Remarks

These intrinsics are available in kernel mode only, and these routines are only available as intrinsics.

END Microsoft Specific

See Also

Reference

__readfsbyte, __readfsdword, __readfsqword, __readfsword
Compiler Intrinsics