sd_is_socket_internal  206 src/libsystemd/sd-daemon/sd-daemon.c         r = sd_is_socket_internal(fd, type, listening);
sd_is_socket_internal  234 src/libsystemd/sd-daemon/sd-daemon.c         r = sd_is_socket_internal(fd, type, listening);
sd_is_socket_internal  276 src/libsystemd/sd-daemon/sd-daemon.c         r = sd_is_socket_internal(fd, type, listening);