set prototyped hdr nc,exec_attr mem exception.name,_exception.name math.h lib setreuid,setregid,nice,fork,spawnveg,fchdir lib pathnative,pathposix,uwin_path,uwin_unpath,fts_notify lib memcntl sys/mman.h lib getexecuser,free_execattr exec_attr.h -lsecdb reference unistd.h extern nice int (int) extern setreuid int (uid_t,uid_t) extern setregid int (gid_t,gid_t)