uid_range_add     160 src/shared/uid-range.c         return uid_range_add(p, n, start, nr);
uid_range_add      30 src/shared/uid-range.h int uid_range_add(UidRange **p, unsigned *n, uid_t start, uid_t nr);
uid_range_add    1893 src/sysusers/sysusers.c                 r = uid_range_add(&uid_range, &n_uid_range, 1, SYSTEM_UID_MAX);