Function nginx::getipv4sourcefilter

pub unsafe extern "C" fn getipv4sourcefilter(
    __s: c_int, 
    __interface_addr: in_addr, 
    __group: in_addr, 
    __fmode: *mut u32, 
    __numsrc: *mut u32, 
    __slist: *mut in_addr
) -> c_int