applications of " ## " operators

[mail2sandeepnl]

hi all

what are the applications / examples that requires concatenation of 2
pre-processor variables.
i.e applications of " ## " operator
i think its only used Compiler design, but how i don't know,
is there any other use of this "##" operator ?

bye
sandeep

 

[Ian Collins]

hi all

what are the applications / examples that requires concatenation of 2
pre-processor variables.
i.e applications of " ## " operator
i think its only used Compiler design, but how i don't know,
is there any other use of this "##" operator ?

You'll get the same answers here as you got on c.l.c.

 

[vijay]

hi all

what are the applications / examples that requires concatenation of 2
pre-processor variables.
i.e applications of " ## " operator
i think its only used Compiler design, but how i don't know,
is there any other use of this "##" operator ?

bye
sandeep

sandeep,

you can check out pci linux driver code. look into the file access.c.
you will be surprised to see the elegancy of the usage of ##.