On Saturday, 3 August 2024 at 05:07:55 UTC, Dakota wrote:
```c #define ERR_SUCCESS 0 #define ERR_INVALID -1 // invalid argument ```If the number >=0, it work. < 0 will not work. DMD64 D Compiler v2.110.0-beta.1
https://issues.dlang.org/show_bug.cgi?id=24639 -Steve
