Function nginx::OBJ_NAME_new_index

pub unsafe extern "C" fn OBJ_NAME_new_index(
    hash_func: Option<unsafe extern "C" fn(arg1: *const c_char) -> c_ulong>, 
    cmp_func: Option<unsafe extern "C" fn(arg1: *const c_char, arg2: *const c_char) -> c_int>, 
    free_func: Option<unsafe extern "C" fn(arg1: *const c_char, arg2: c_int, arg3: *const c_char)>
) -> c_int