getenv_for_pid    105 src/core/machine-id-setup.c                         r = getenv_for_pid(1, "container_uuid", &e);
getenv_for_pid    155 src/getty-generator/getty-generator.c                 r = getenv_for_pid(1, "container_ttys", &container_ttys);
getenv_for_pid    640 src/shared/util.h int getenv_for_pid(pid_t pid, const char *field, char **_value);
getenv_for_pid    301 src/shared/virt.c                         r = getenv_for_pid(1, "container", &m);