hi all,
Im a beginner in C. Can you please help me in explaining the function of ## in the below program.
#define f(g,g2) g##g2
main()
{
int var12=100;
printf("%d",f(var,12));
}
what does #define f(g,g2) g##g2 mean?
gurushankar
0
Newbie Poster
Recommended Answers
Jump to PostThe ## operator pastes two tokens together (this is why the operation is called the token-pasting operation). In the above code, a function is defined as a macro, which, when given two arguments (var and 12, in our case), forms a single token (in our case, an identifier), var12.
All 2 Replies
creeps
74
Junior Poster in Training
The ## operator pastes two tokens together (this is why the operation is called the token-pasting operation). In the above code, a function is defined as a macro, which, when given two arguments (var and 12, in our case), forms a single token (in our case, an identifier), var12.
gurushankar
0
Newbie Poster
thank you....
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