Function nginx::getsourcefilter

pub unsafe extern "C" fn getsourcefilter(
    __s: c_int, 
    __interface_addr: u32, 
    __group: *const sockaddr, 
    __grouplen: socklen_t, 
    __fmode: *mut u32, 
    __numsrc: *mut u32, 
    __slist: *mut sockaddr_storage
) -> c_int