ngx::ffi

Function OPENSSL_sk_set_cmp_func

Source 
pub unsafe extern "C" fn OPENSSL_sk_set_cmp_func(
    sk: *mut stack_st,
    cmp: Option<unsafe extern "C" fn(_: *const c_void, _: *const c_void) -> i32>,
) -> Option<unsafe extern "C" fn(_: *const c_void, _: *const c_void) -> i32>