On Aug 24, 6:51 pm, sadhana kumar <sadhanakuma...@gmail.com> wrote:
> Can anyone explain this code pls??
>
> #include <stdio.h>
> #define f(a,b) a##b
> #define g(a) #a
> #define h(a) g(a)
> int main()
> {
> printf("%s\n",h(f(1,2)));
> printf("%s\n",g(f(1,2)));
> return 0;
>
>
>
>
>
>
>
> }Read about stringizing operator (#) and token pasting operator (##), if you don't know them already. Then, please go through the following link to understand the above code: http://gcc.gnu.org/onlinedocs/cpp/Argument-Prescan.html#Argument-Prescan In particular, read the second point: "Macros that call other macros that stringify or concatenate." -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
