what's the error here??
#include<stdio.h> #define decode(s,t,a,m,p,e,d)m##s##u##t #define begin decode(a,n,i,m,a,t,e) int begin() { printf("hello"); }
#include<stdio.h #define decode(s,t,a,m,p,e,d)m s u t #define begin decode(a,n,i,m,a,t,e) int begin() { printf("hello"); }