Function

CFBitVectorGetCountOfBit

Counts the number of times a certain bit value occurs within a range of bits in a bit vector.

Declaration

CFIndex CFBitVectorGetCountOfBit(CFBitVectorRef bv, CFRange range, CFBit value);

Parameters

bv

The bit vector to examine.

range

The range of bits in bv to search.

value

The bit value to count.

Return Value

The number of occurrences of value in the specified range of bv.

See Also

Getting Information About a Bit Vector

CFBitVectorContainsBit

Returns whether a bit vector contains a particular bit value.

CFBitVectorGetBitAtIndex

Returns the bit value at a given index in a bit vector.

CFBitVectorGetBits

Returns the bit values in a range of indices in a bit vector.

CFBitVectorGetCount

Returns the number of bit values in a bit vector.

CFBitVectorGetFirstIndexOfBit

Locates the first occurrence of a certain bit value within a range of bits in a bit vector.

CFBitVectorGetLastIndexOfBit

Locates the last occurrence of a certain bit value within a range of bits in a bit vector.