ref: 14fd8b9e92ffe32275aba6f30dd8edf4531c6a19
dir: /lib/std/mkpath.myr/
use "syswrap.use" use "errno.use" pkg std = const mkpath : (p : byte[:], mode : int64 -> errno) ;; const mkpath = {p, mode var st for var i = 0; i < p.len; i++ if p[i] == '/' castto(byte) && i != 0 st = mkdir(p[:i], mode) if st != 0 && st != Eexist -> st ;; ;; ;; -> Enone }