NR_OF_ROLES
for (i = 0; i < NR_OF_ROLES; i++)
for (i = 0; i < NR_OF_ROLES; i++) {
else if (i < NR_OF_ROLES - 2)
else if (i == NR_OF_ROLES - 2)
i = rn2(NR_OF_ROLES);
static char rolesyms[NR_OF_ROLES + 1]; /* filled by u_init() */