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);