• File size measurements show the distribution of size of files.
• Files are classified in four categories based on their size (lines of code): 1-100 (very small files), 101-200 (small files), 201-500 (medium size files), 501-1000 (long files), 1001+(very long files).
• It is a good practice to keep files small. Long files may become "bloaters", code that have increased to such gargantuan proportions that they are hard to work with.

• There are 244 files with 77,783 lines of code.
• 26 very long files (45,890 lines of code)
• 15 long files (10,786 lines of code)
• 29 medium size files (10,244 lines of codeclsfd_ftr_w_mp_ins)
• 42 small files (6,170 lines of code)
• 132 very small files (4,693 lines of code)

There are 176 files with lines longer than 120 characters. In total, there are 3454 long lines.

File	# lines	# units	# long lines
iothub_client_core_ll.c in iothub_client/src	3018	73	146
iothubtransport_mqtt_common.c in iothub_client/src	3499	80	144
iothub_client_core.c in iothub_client/src	2472	61	139
iothubtransport_amqp_common.c in iothub_client/src	1956	59	129
iothub_deviceconfiguration.c in iothub_service_client/src	1518	25	101
iothubtransport_amqp_device.c in iothub_client/src	1460	43	93
iothubtransport_amqp_telemetry_messenger.c in iothub_client/src	1742	48	88
iothub_registrymanager.c in iothub_service_client/src	1834	44	84
iothubtransporthttp.c in iothub_client/src	2106	64	78
schema.c in serializer/src	2669	81	76
iothubtransport_amqp_twin_messenger.c in iothub_client/src	1800	41	72
iothub_client_ll_uploadtoblob.c in iothub_client/src	1340	19	63
serializer.h in serializer/inc	1059	108	57
iothubtest.c in testtools/iothub_test/src	1808	23	56
iothub_messaging_ll.c in iothub_service_client/src	1466	24	55
codefirst.c in serializer/src	1344	21	54
serializer_devicetwin.h in serializer/inc	398	11	54
iothubtransport_amqp_messenger.c in iothub_client/src	1370	41	54
iothub_account.c in testtools/iothub_test/src	1089	18	53
schema.h in serializer/inc	135	-	51
iothubtransportamqp_methods.c in iothub_client/src	846	16	51
iothub_device_client_ll.c in iothub_client/src	156	33	50
iothub_device_client.c in iothub_client/src	135	32	49
provisioning_sc_x509_attestation.c in provisioning_service_client/src	928	12	45
provisioning_service_client.c in provisioning_service_client/src	981	38	44
iothub_module_client.c in iothub_client/src	127	25	43
iothub_module_client_ll.c in iothub_client/src	401	26	42
uamqp_messaging.c in iothub_client/src	1055	21	41
iothub_client_properties.c in iothub_client/src	657	25	38
commanddecoder.c in serializer/src	853	15	34
iothub_message.c in iothub_client/src	1121	32	33
iothub_client.c in iothub_client/src	91	21	33
iothub_client_ll.c in iothub_client/src	112	22	32
prov_transport_http_client.c in provisioning_client/src	1124	22	31
prov_transport_amqp_common.c in provisioning_client/src	1637	30	31
provisioning_sc_enrollment.c in provisioning_service_client/src	985	27	31
iothub_device_client_ll.h in iothub_client/inc	55	-	31
iothub_client_core.h in iothub_client/inc	55	-	31
agenttypesystem.c in serializer/src	3529	57	30
iothub_device_client.h in iothub_client/inc	58	-	30
iothub_client_core_ll.h in iothub_client/inc	52	-	30
prov_transport_mqtt_common.c in provisioning_client/src	1141	26	26
iothub_client_edge.c in iothub_client/src	482	11	24
iothub_module_client.h in iothub_client/inc	48	-	24
iothub_module_client_ll.h in iothub_client/inc	53	-	24
iothub_message.h in iothub_client/inc	71	-	23
iothub_devicemethod.c in iothub_service_client/src	486	10	23
hsm_client_http_edge.c in provisioning_client/adapters	602	15	22
message_queue.c in iothub_client/src	608	22	21
iotdevice.c in serializer/src	339	15	20