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bit

unsigned int bit( void * address, unsigned int bit );

Description

Dynamic C may expand this call inline.

Reads specified bit at memory address. bit may be from 0 to 31. This is equivalent to the following expression, but more efficient:

   

(*(long *)address >> bit) & 1

Parameters

address

Address of byte containing bits 7-0

bit

Bit location where 0 represents the least significant bit

Return value

1: Specified bit is set.
0: Bit is clear.

Library

UTIL.LIB

See also

BIT