sd_bus_creds_new_from_pid  311 src/libsystemd/sd-bus/busctl.c                 r = sd_bus_creds_new_from_pid(&creds, pid, _SD_BUS_CREDS_ALL);
sd_bus_creds_new_from_pid  296 src/systemd/sd-bus.h int sd_bus_creds_new_from_pid(sd_bus_creds **ret, pid_t pid, uint64_t creds_mask);