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#define ulong unsigned long long
#define long long long

#define makevar(type, name) type name;

int main(void)
{
    makevar(ulong, x)
}
Compilation error #stdin compilation error #stdout 0s 0KB
stdin
Standard input is empty
compilation info
prog.cpp: In function 'int main()':
prog.cpp:8:5: error: 'long long long' is too long for GCC
stdout

Standard output is empty