get_process_uid    46 src/core/killall.c         r = get_process_uid(pid, &uid);
get_process_uid   709 src/journal/journald-server.c                 r = get_process_uid(object_pid, &object_uid);
get_process_uid   291 src/shared/util.h int get_process_uid(pid_t pid, uid_t *uid);