avoid redefinition error C231

Hi Is any compiler command to avoid redefinition error C231 ? p.s. http://www.keil.com/support/man/docs/c51/c51_c231.htm
avoid redefinition error C231

Hi Is any compiler command to avoid redefinition error C231 ? p.s. http://www.keil.com/support/man/docs/c51/c51_c231.htm
C231 Redefinition with xdata

Hello, I'm using the C51 compiler for a C8051F043 target. I'm allocating a variable array with the statement: unsigned char xdata gbuf[2048]; When I compile, I get an Error C231, redefinition...
C231 Redefinition with xdata

Hello, I'm using the C51 compiler for a C8051F043 target. I'm allocating a variable array with the statement: unsigned char xdata gbuf[2048]; When I compile, I get an Error C231, redefinition...
Exit from _getkey()

I write function, which recieve 4 characters from serial port with _getkey() function. It waits until all characters does not come. I need to exit from recieving if characters does not come for long time...