...pull request #3538 "Fix 22178: fpclassify is pure on Musl too" was merged into stable...

...fpclassify is pure on Musl too" fixing this issue:

- Fix 22178: fpclassify is pure on...

...in:
```
core/stdc/math.d(811): Error: `pure` function `core.stdc.math.isnormal` cannot
call...

...box

saying there is no ecosystem is plain and simple dishonest and a PURE LIE

...Error: static assert:  `is(void function(void*) pure nothrow @nogc @safe : void function(void*) @safe...

Agh, stupid me.

You the man!!

...pureFoo = cast(void function(int)pure)&foo;

int function(int)pure pureFoo;

shared static this...

Try this:
```d
void main(){
    fp = cast(typeof(fp))&VFORMAT; //fails
}
```

...dlang/druntime pull request #3534 "Mark as pure core.sys.posix.string: memccpy, stpcpy, stpncpy...

...line_break, string tag, string fmt, ...) @nogc nothrow pure fp;
void main(){
    fp = &VFORMAT; //fails
}
```