Error in Arduino Console

[Tinchote]

A received the following error, anyone know which is the problem?

Thanks,

sketch_aug22a.ino: In function 'void setup()':
sketch_aug22a:34: error: 'vw_set_ptt_pin' was not declared in this scope
sketch_aug22a:35: error: 'vw_set_rx_pin' was not declared in this scope
sketch_aug22a:36: error: 'vw_set_ptt_inverted' was not declared in this scope
sketch_aug22a:37: error: 'vw_setup' was not declared in this scope
sketch_aug22a.ino: In function 'void processRadio(int, int)':
sketch_aug22a:108: error: 'vw_send' was not declared in this scope