ngx::ffi

Function EVP_MD_meth_set_ctrl

Source 
pub unsafe extern "C" fn EVP_MD_meth_set_ctrl(
    md: *mut evp_md_st,
    ctrl: Option<unsafe extern "C" fn(_: *mut evp_md_ctx_st, _: i32, _: i32, _: *mut c_void) -> i32>,
) -> i32