On Tuesday, 18 April 2023 at 20:05:05 UTC, DLearner wrote:
Is the declaration inside main not visible to the linker?
It affects the (fully qualified and mangled) name of the
function. Compare:
```d
extern(C) void ExtCallee();
pragma(msg, ExtCallee.mangleof); /* ExtCallee (correct name) */
void main()
{
extern(C) void ExtCallee();
pragma(msg, ExtCallee.mangleof); /*
_D7ExtMain4mainFZ9ExtCalleeUZv (incorrect) */
}
```
I don't know the rationale behind that behavior, if there is one.
Generally, just put your `extern(C)` prototypes in module scope.
