Predefined symbols in C51

Where can I find a list of predefined symbols for C51? I'm trying to write a set of portable library routines and I can't figure out how to tell that the file is being compiled by C51.. So I can do...
Predefined symbols in C51

Where can I find a list of predefined symbols for C51? I'm trying to write a set of portable library routines and I can't figure out how to tell that the file is being compiled by C51.. So I can do...
How to export linker-defined symbols to a symbol file?

I built an image with armlink using a scatter file. I used the --symdefs option and a steering file to export all public symbols that are in my image and that I want other code to have access to. In...
How to export linker-defined symbols to a symbol file?

I built an image with armlink using a scatter file. I used the --symdefs option and a steering file to export all public symbols that are in my image and that I want other code to have access to. In...
Any way for declaring symbolic constants as an external number in C51 source code ?

Is there any way to declare a symbolic constant as 'an external number' in Keil C51 source code so that the compiler generates object file using instructions with # symbol prefix (e.g. mov r0,#symbol...