pub unsafe extern "C" fn bsearch_s(
_Key: *const c_void,
_Base: *const c_void,
_NumOfElements: rsize_t,
_SizeOfElements: rsize_t,
_PtFuncCompare: Option<unsafe extern "C" fn(arg1: *mut c_void, arg2: *const c_void, arg3: *const c_void) -> c_int>,
_Context: *mut c_void,
) -> *mut c_void