Mine

while (PORTCbits.RC1==0);   /*wait for signal from transmitter*/      PORTB=4;  OpenTimer0( TIMER_INT_ON &               T0_16BIT &               T0_SOURCE_INT &               T0_PS_1_1 );  INTCONbits.GIE = 1;  while (PORTCbits.RC2==0);  /*wait for signal from reciever*/   CloseTimer0;  tmr = ReadTimer0();