openbsd: fix std.c.getdents and debitrot

- fix getdents return type usize → c_int
- special-case process.zig to use sysctl instead of sysctlbyname
- use struct/field pattern for sysctl HW_* constants
40fc71bf71Michael Dusan committed on 6/15/2023, 6:48:20 PMparent64ddba9
4 files changedLine totals unavailable