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_CountOneBits, _CountOneBits64 

Visual Studio 2005

This function returns the number of one bits in the argument.


unsigned __cdecl _CountOneBits(
  long arg1
);

unsigned __cdecl _CountOneBits64(
  __int64 arg1
);

Parameters

arg1

[in] The long integer value that the function examines for one bits.

The number of one bits.

This function can be implemented by calling a runtime function.

Routine Required header Architecture

_CountOneBits

<cmnintrin.h>

x86, ARM, SH-4, MIPS

_CountOneBits64

<cmnintrin.h>

x86, ARM, SH-4, MIPS

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