C: Expand Macro With Token Pasting
Solution 1:
In C the operands of the token pasting operator ## are not expanded.
You need a second level of indirection to get the expansion.
#define CAT(x, y) CAT_(x, y)
#define CAT_(x, y) x ## y
In C the operands of the token pasting operator ## are not expanded.
You need a second level of indirection to get the expansion.
#define CAT(x, y) CAT_(x, y)
#define CAT_(x, y) x ## y