| ncp.accepted_max_size | Accepted Max Size | Unsigned 16-bit integer |
| ncp.acct_version | Acct Version | Unsigned 8-bit integer |
| ncp.buffer_size | Buffer Size | Unsigned 16-bit integer |
| ncp.completion_code | Completion Code | Unsigned 8-bit integer |
| ncp.connection | Connection Number | Unsigned 16-bit integer |
| ncp.connection_number | Connection Number | Unsigned 32-bit integer |
| ncp.connection_status | Connection Status | Unsigned 8-bit integer |
| ncp.connections_in_use | Connections In Use | Unsigned 16-bit integer |
| ncp.connections_max_used | Connections Max Used | Unsigned 16-bit integer |
| ncp.connections_supported_max | Connections Supported Max | Unsigned 16-bit integer |
| ncp.echo_socket | Echo Socket | Unsigned 16-bit integer |
| ncp.file_handle | File Handle | Byte array |
| ncp.file_offset | File Offset | Unsigned 32-bit integer |
| ncp.file_size | File Size | Unsigned 32-bit integer |
| ncp.func | Function | Unsigned 8-bit integer |
| ncp.internet_bridge_version | Internet Bridge Version | Unsigned 8-bit integer |
| ncp.ip.length | NCP over IP length | Unsigned 32-bit integer |
| ncp.ip.replybufsize | NCP over IP Reply Buffer Size | Unsigned 32-bit integer |
| ncp.ip.signature | NCP over IP signature | Unsigned 32-bit integer |
| ncp.ip.version | NCP over IP Version | Unsigned 32-bit integer |
| ncp.job_type | Job Type | Unsigned 16-bit integer |
| ncp.length | Packet Length | Unsigned 16-bit integer |
| ncp.local_login_info_ccode | Local Login Info C Code | Unsigned 8-bit integer |
| ncp.max_bytes | Maximum Number of Bytes | Unsigned 16-bit integer |
| ncp.mixed_mode_path_flag | Mixed Mode Path Flag | Unsigned 8-bit integer |
| ncp.num_bytes | Number of Bytes | Unsigned 16-bit integer |
| ncp.object_flags | Object Flags | Unsigned 8-bit integer |
| ncp.object_has_properites | Object Has Properties | Unsigned 8-bit integer |
| ncp.object_id | Object ID | Unsigned 32-bit integer |
| ncp.object_name | Object Name | |
| ncp.object_name1 | Object Name | String |
| ncp.object_security | Object Security | Unsigned 8-bit integer |
| ncp.object_type | Object Type | Unsigned 16-bit integer |
| ncp.os_language_id | OS Language ID | Unsigned 8-bit integer |
| ncp.os_major_version | OS Major Version | Unsigned 8-bit integer |
| ncp.os_minor_version | OS Minor Version | Unsigned 8-bit integer |
| ncp.os_revision | OS Revision | Unsigned 8-bit integer |
| ncp.ping_version | Ping Version | Unsigned 16-bit integer |
| ncp.print_server_version | Print Server Version | Unsigned 8-bit integer |
| ncp.product_major_version | Product Major Version | Unsigned 16-bit integer |
| ncp.product_minor_version | Product Minor Version | Unsigned 16-bit integer |
| ncp.product_revision_version | Product Revision Version | Unsigned 8-bit integer |
| ncp.property_data | Property Data | Byte array |
| ncp.property_has_more_segments | Property Has More Segments | Unsigned 8-bit integer |
| ncp.property_name | Property Name | |
| ncp.property_segment | Property Segment | Unsigned 8-bit integer |
| ncp.property_type | Property Type | Unsigned 8-bit integer |
| ncp.proposed_max_size | Proposed Max Size | Unsigned 16-bit integer |
| ncp.qms_version | QMS Version | Unsigned 8-bit integer |
| ncp.reserved3 | Reserved | Byte array |
| ncp.reserved51 | Reserved | Byte array |
| ncp.security_flag | Security Flag | Unsigned 8-bit integer |
| ncp.security_restriction_version | Security Restriction Version | Unsigned 8-bit integer |
| ncp.seq | Sequence Number | Unsigned 8-bit integer |
| ncp.server_name | Server Name | String |
| ncp.sft_level | SFT Level | Unsigned 8-bit integer |
| ncp.subfunc | SubFunction | Unsigned 8-bit integer |
| ncp.task | Task Number | Unsigned 8-bit integer |
| ncp.task_number | Task Number | Unsigned 32-bit integer |
| ncp.tts_level | TTS Level | Unsigned 8-bit integer |
| ncp.type | Type | Unsigned 16-bit integer |
| ncp.unknown_byte | Unknown Byte | Unsigned 8-bit integer |
| ncp.vap_version | VAP Version | Unsigned 8-bit integer |
| ncp.virtual_console_version | Virtual Console Version | Unsigned 8-bit integer |
| ncp.volumes_supported_max | Volumes Supported Max | Unsigned 16-bit integer |