diff --git a/src/gpio.rs b/src/gpio.rs
index 49bfc67..6964730 100644
--- a/src/gpio.rs
+++ b/src/gpio.rs
@@ -150,7 +150,7 @@ impl Pin {
     pub fn get_gpio_mode(&mut self) -> Result<PinMode, GpioError> {
         ensure_library_setup!();
 
-        self.pin_mode = unsafe { ffi::orangepi_get_gpio_mode(self.pin_id).try_into()? };
+        self.pin_mode = unsafe { ffi::getAlt(self.pin_id).try_into()? };
 
         Ok(self.pin_mode)
     }
@@ -174,7 +174,7 @@ impl Pin {
 
         self.ensure_pin_mode(PinMode::Input)?;
 
-        unsafe { ffi::orangepi_digitalRead(self.pin_id).try_into() }
+        unsafe { ffi::digitalRead(self.pin_id).try_into() }
     }
 
     pub fn digital_write(&mut self, value: PinState) -> Result<bool, GpioError> {
@@ -182,7 +182,7 @@ impl Pin {
 
         self.ensure_pin_mode(PinMode::Output)?;
 
-        unsafe { Ok(ffi::orangepi_digitalWrite(self.pin_id, value.into()) == 0) }
+        unsafe { Ok(ffi::digitalWrite(self.pin_id, value.into()) == 0) }
     }
 
     pub fn pull_up_down_control(&mut self, mode: PullUpMode) {