Help With translating Basic to C program

PinNumber  var   byte
PinState   var   byte

Main:

' Use the programming port to receive
' data at 2400 baud
' Wait for the synch byte (255) and then
' get the PinNumber and PinState
Serin 16,16780,[WAIT(255),PinNumber,PinState]

' If PinState=0 Then go to GoLow
' otherwise go to GoHigh
Branch PinState,[GoLow,GoHigh]
Goto Main


' Set The pin low
GoLow:
LOW PinNumber
Goto Main


' Set the pin high
GoHigh:
HIGH PinNumber
Goto Main