I only included the "tree.h" where ExprNode is located at
I only included the "tree.h" where ExprNode is located at
ok now I got this error:
/usr/lib/gcc/x86_64-redhat-linux/4.3.0/../../../../lib64/crt1.o: In function `_start':
(.text+0x20): undefined reference to `main'
ummm put
Code:int main(void) { return 0; }