ref: 51bf59e016b43f16ec91943829af30d99a886cc1
dir: /appl/lib/workdir.b/
implement Workdir; include "sys.m"; include "workdir.m"; init(): string { sys := load Sys Sys->PATH; fd := sys->open(".", Sys->OREAD); if(fd == nil) return nil; return sys->fd2path(fd); }