• bin_substates : memcached.h
• conn_states : memcached.h
• protocol : memcached.h
• protocol_binary_command : protocol_binary.h
• protocol_binary_datatypes : protocol_binary.h
• protocol_binary_magic : protocol_binary.h
• protocol_binary_response_status : protocol_binary.h
• store_item_type : memcached.h
• transmit_result : memcached.c
• try_read_result : memcached.c