ref: a6e5d4bae6075c741a39fcba62a365d9dffaed93
dir: /sys/src/cmd/upas/common/config.c/
#include "common.h" char *MAILROOT = "/mail"; char *SPOOL = "/mail"; char *UPASLOG = "/sys/log"; char *UPASLIB = "/mail/lib"; char *UPASBIN = "/bin/upas"; char *UPASTMP = "/mail/tmp"; char *SHELL = "/bin/rc";