Why is this legal?
extern int foo = 0xF00; // Gets a warning, still compiles
extern void bar() { // No warning
int x;
}
Is there a reason to why this is allowed?
Why is this legal? extern int foo = 0xF00; // Gets a warning, still
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Why is this legal?
extern int foo = 0xF00; // Gets a warning, still compiles
extern void bar() { // No warning
int x;
}
Is there a reason to why this is allowed?
Sometimes it’s useful
Without the
extern, in C++foowould bestaticand have internal linkage (which means you could not usefoofrom another translation unit).The
externin both cases in your example is redundant. In C99 anexterncan make a difference forinlinefunctions..