Compiler Warning (level 1) C4218
Visual Studio 2005
Error Message
nonstandard extension used : must specify at least a storage class or a typeWith the default Microsoft extensions (/Ze), you can declare a variable without specifying a type or storage class. The default type is int.
Example
// C4218.c
// compile with: /W4
i; // C4218
int main()
{
}
Such declarations are invalid under ANSI compatibility (/Za).
