__readfsbyte, __readfsdword, __readfsqword, __readfsword
Microsoft Specific
Read memory from a location specified by an offset relative to the beginning of the FS segment.
Syntax
unsigned char __readfsbyte(
unsigned long Offset
);
unsigned short __readfsword(
unsigned long Offset
);
unsigned long __readfsdword(
unsigned long Offset
);
unsigned __int64 __readfsqword(
unsigned long Offset
);
Parameters
Offset
[in] The offset from the beginning of FS
to read from.
Return value
The memory contents of the byte, word, doubleword, or quadword (as indicated by the name of the function called) at the location FS:[Offset]
.
Requirements
Intrinsic | Architecture |
---|---|
__readfsbyte |
x86 |
__readfsdword |
x86 |
__readfsqword |
x86 |
__readfsword |
x86 |
Header file <intrin.h>
Remarks
These routines are available only as intrinsics.
END Microsoft Specific
See also
__writefsbyte, __writefsdword, __writefsqword, __writefsword
Compiler intrinsics