ngx::ffi

Function EVP_MD_CTX_set_update_fn

Source 
pub unsafe extern "C" fn EVP_MD_CTX_set_update_fn(
    ctx: *mut evp_md_ctx_st,
    update: Option<unsafe extern "C" fn(_: *mut evp_md_ctx_st, _: *const c_void, _: usize) -> i32>,
)