What will be the output of the following C code?
#include <stdio.h>
#define foo(m, n) m ## n
void myfunc();
int main()
{
myfunc();
}
void myfunc()
{
printf("%d\n", foo(2, 3));
}
#include <stdio.h>
#define foo(m, n) m ## n
void myfunc();
int main()
{
myfunc();
}
void myfunc()
{
printf("%d\n", foo(2, 3));
}A. 23
B. 2 3
C. Compile time error
D. Undefined behaviour
Answer: Option A
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