Function core::arch::x86_64::_bittestandset641.55.0[][src]

pub unsafe fn _bittestandset64(p: *mut i64, b: i64) -> u8
This is supported on x86-64 only.
Expand description

返回由 p 寻址的存储器的位置 b 中的位,然后将该位设置为 1