ngx::ffi

Function EVP_PKEY_meth_set_digestsign

Source 
pub unsafe extern "C" fn EVP_PKEY_meth_set_digestsign(
    pmeth: *mut evp_pkey_method_st,
    digestsign: Option<unsafe extern "C" fn(*mut evp_md_ctx_st, *mut u8, *mut usize, *const u8, usize) -> i32>,
)