Function nginx::EVP_PKEY_meth_get_ctrl

pub unsafe extern "C" fn EVP_PKEY_meth_get_ctrl(
    pmeth: *mut EVP_PKEY_METHOD, 
    pctrl: *mut Option<unsafe extern "C" fn(ctx: *mut EVP_PKEY_CTX, type_: c_int, p1: c_int, p2: *mut c_void) -> c_int>, 
    pctrl_str: *mut Option<unsafe extern "C" fn(ctx: *mut EVP_PKEY_CTX, type_: *const c_char, value: *const c_char) -> c_int>
)