ngx::ffi

Function SSL_CTX_set_psk_client_callback

Source 
pub unsafe extern "C" fn SSL_CTX_set_psk_client_callback(
    ctx: *mut ssl_ctx_st,
    cb: Option<unsafe extern "C" fn(_: *mut ssl_st, _: *const i8, _: *mut i8, _: u32, _: *mut u8, _: u32) -> u32>,
)