Function guile_sys::bsearch

pub unsafe extern "C" fn bsearch(
    __key: *const c_void, 
    __base: *const c_void, 
    __nel: usize, 
    __width: usize, 
    __compar: Option<unsafe extern "C" fn(arg1: *const c_void, arg2: *const c_void) -> c_int>
) -> *mut c_void