Compiler Warning (level 4) C4207

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nonstandard extension used : extended initializer form

With Microsoft extensions (/Ze), you can initialize an unsized array of char using a string within braces.

Example

// C4207.c
// compile with: /W4
char c[] = { 'a', 'b', "cdefg" }; // C4207

int main()
{
}

Such initializations are invalid under ANSI compatibility (/Za).