Retro Rocket Kernel BASIC-Powered Operating System

### - u -

- ufis : achi_hba_fis_t
- uid : process_t
- unique_id : gpt_entry_t
- unused : __attribute__ , icmp_packet
- unused1 : icmp_parameter_problem_packet
- unused2 : __attribute__ , icmp_parameter_problem_packet
- unused3 : __attribute__
- unused4 : __attribute__
- unusedsectorsperfat : parameter_block_t
- urg : tcp_segment_flags_t
- urgent : tcp_segment
- user : heap_t