section 3 · Library functions 📚

N (continued)

• nbd_block_status_filter(3)send filtered block status command, with 64-bit callback✨
• nbd_cache(3)send cache (prefetch) command to the NBD server✨
• nbd_can_block_status_payload(3)does the server support the block status payload flag?✨
• nbd_can_cache(3)does the server support the cache command?✨
• nbd_can_df(3)does the server support the don't fragment flag to pread?✨
• nbd_can_fast_zero(3)does the server support the fast zero flag?✨
• nbd_can_flush(3)does the server support the flush command?✨
• nbd_can_fua(3)does the server support the FUA flag?✨
• nbd_can_meta_context(3)does the server support a specific meta context?✨
• nbd_can_multi_conn(3)does the server support multi-conn?✨
• nbd_can_trim(3)does the server support the trim command?✨
• nbd_can_zero(3)does the server support the zero command?✨
• nbd_clear_debug_callback(3)clear the debug callback✨
• nbd_clear_meta_contexts(3)reset the list of requested meta contexts✨
• nbd_close(3)create libnbd handles and fetch errors✨
• nbd_connect_command(3)connect to NBD server command✨
• nbd_connect_socket(3)connect directly to a connected socket✨
• nbd_connect_systemd_socket_activation(3)connect using systemd socket activation✨
• nbd_connect_tcp(3)connect to NBD server over a TCP port✨
• nbd_connect_unix(3)connect to NBD server over a Unix domain socket✨
• nbd_connect_uri(3)connect to NBD URI✨
• nbd_connect_vsock(3)connect to NBD server over AF_VSOCK protocol✨
• nbd_connection_state(3)return string describing the state of the connection✨
• nbd_create(3)create libnbd handles and fetch errors✨
• nbd_flush(3)send flush command to the NBD server✨
• nbd_get_block_size(3)return a specific server block size constraint✨
• nbd_get_canonical_export_name(3)return the canonical export name, if the server has one✨
• nbd_get_debug(3)return the state of the debug flag✨
• nbd_get_errno(3)create libnbd handles and fetch errors✨
• nbd_get_error(3)create libnbd handles and fetch errors✨
• nbd_get_export_description(3)return the export description, if the server has one✨
• nbd_get_export_name(3)get the export name✨
• nbd_get_extended_headers_negotiated(3)see if extended headers are in use✨
• nbd_get_full_info(3)see if NBD_OPT_GO requests extra details✨
• nbd_get_handle_name(3)get the handle name✨
• nbd_get_handle_size(3)return an estimate of the memory allocated for the handle✨
• nbd_get_handshake_flags(3)see which handshake flags are supported✨
• nbd_get_keepalive(3)return keepalive status✨
• nbd_get_meta_context(3)return the i'th meta context request✨
• nbd_get_nr_meta_contexts(3)return the current number of requested meta contexts✨
• nbd_get_opt_mode(3)return whether option mode was enabled✨
• nbd_get_package_name(3)return the name of the library✨
• nbd_get_pread_initialize(3)see whether libnbd pre-initializes read buffers✨
• nbd_get_private_data(3)get the per-handle private data✨
• nbd_get_protocol(3)return the NBD protocol variant✨
• nbd_get_request_block_size(3)see if NBD_OPT_GO requests block size✨
• nbd_get_request_extended_headers(3)see if extended headers are attempted✨
• nbd_get_request_meta_context(3)see if connect automatically requests meta contexts✨
• nbd_get_request_structured_replies(3)see if structured replies are attempted✨
• nbd_get_size(3)return the export size✨
• nbd_get_socket_activation_name(3)get the socket activation name✨
• nbd_get_strict_mode(3)see which strictness flags are in effect✨
• nbd_get_structured_replies_negotiated(3)see if structured replies are in use✨
• nbd_get_subprocess_pid(3)get the process ID of the subprocess✨
• nbd_get_tls(3)get the TLS request setting✨
• nbd_get_tls_hostname(3)get the effective TLS hostname✨
• nbd_get_tls_negotiated(3)find out if TLS was negotiated on a connection✨
• nbd_get_tls_priority(3)get the current TLS priority✨
• nbd_get_tls_username(3)get the current TLS username✨
• nbd_get_tls_verify_peer(3)get whether we verify the identity of the server✨
• nbd_get_uri(3)construct an NBD URI for a connection✨
• nbd_get_version(3)return the version of the library✨
• nbd_get_version_extra(3)return the extra version of the library✨
• nbd_is_read_only(3)is the NBD export read-only?✨
• nbd_is_rotational(3)is the NBD disk rotational (like a disk)?✨
• nbd_is_uri(3)detect if a string could be an NBD URI✨
• nbd_kill_subprocess(3)kill server running as a subprocess✨
• nbd_opt_abort(3)end negotiation and close the connection✨
• nbd_opt_extended_headers(3)request the server to enable extended headers✨
• nbd_opt_go(3)end negotiation and move on to using an export✨
• nbd_opt_info(3)request the server for information about an export✨
• nbd_opt_list(3)request the server to list all exports during negotiation✨
• nbd_opt_list_meta_context(3)list available meta contexts, using implicit query list✨
• nbd_opt_list_meta_context_queries(3)list available meta contexts, using explicit query list✨
• nbd_opt_set_meta_context(3)select specific meta contexts, using implicit query list✨
• nbd_opt_set_meta_context_queries(3)select specific meta contexts, using explicit query list✨
• nbd_opt_starttls(3)request the server to initiate TLS✨
• nbd_opt_structured_reply(3)request the server to enable structured replies✨
• nbd_poll(3)poll the handle once✨
• nbd_poll2(3)poll the handle once, with fd✨
• nbd_pread(3)read from the NBD server✨
• nbd_pread_structured(3)read from the NBD server✨
• nbd_pwrite(3)write to the NBD server✨
• nbd_set_debug(3)set or clear the debug flag✨
• nbd_set_debug_callback(3)set the debug callback✨
• nbd_set_export_name(3)set the export name✨
• nbd_set_full_info(3)control whether NBD_OPT_GO requests extra details✨
• nbd_set_handle_name(3)set the handle name✨
• nbd_set_handshake_flags(3)control use of handshake flags✨
• nbd_set_keepalive(3)set keepalive on the socket✨
• nbd_set_opt_mode(3)control option mode, for pausing during option negotiation✨
• nbd_set_pread_initialize(3)control whether libnbd pre-initializes read buffers✨
• nbd_set_private_data(3)set the per-handle private data✨
• nbd_set_request_block_size(3)control whether NBD_OPT_GO requests block size✨
• nbd_set_request_extended_headers(3)control use of extended headers✨
• nbd_set_request_meta_context(3)control whether connect automatically requests meta contexts✨
• nbd_set_request_structured_replies(3)control use of structured replies✨
• nbd_set_socket_activation_name(3)set the socket activation name✨
• nbd_set_strict_mode(3)control how strictly to follow NBD protocol✨
• nbd_set_tcp_option(3)set TCP options on the socket✨
• nbd_set_tls(3)enable or require TLS (authentication and encryption)✨
• nbd_set_tls_certificates(3)set the path to the TLS certificates directory✨
• nbd_set_tls_hostname(3)set the TLS hostname✨
• nbd_set_tls_priority(3)set the TLS priority string✨
• nbd_set_tls_psk_file(3)set the TLS Pre-Shared Keys (PSK) filename✨
• nbd_set_tls_username(3)set the TLS username✨
• nbd_set_tls_verify_peer(3)set whether we verify the identity of the server✨
• nbd_set_uri_allow_local_file(3)set the allowed transports in NBD URIs✨
• nbd_set_uri_allow_tls(3)set the allowed TLS settings in NBD URIs✨
• nbd_set_uri_allow_tls_priority(3)set if 'tls-priority' is allowed in NBD URIs✨
• nbd_set_uri_allow_transports(3)set the allowed transports in NBD URIs✨
• nbd_shutdown(3)disconnect from the NBD server✨
• nbd_stats_bytes_received(3)statistics of bytes received over connection so far✨
• nbd_stats_bytes_sent(3)statistics of bytes sent over connection so far✨
• nbd_stats_chunks_received(3)statistics of chunks received over connection so far✨
• nbd_stats_chunks_sent(3)statistics of chunks sent over connection so far✨
• nbd_supports_tls(3)true if libnbd was compiled with support for TLS✨
• nbd_supports_uri(3)true if libnbd was compiled with support for NBD URIs✨
• nbd_supports_vsock(3)true if libnbd was compiled with support for AF_VSOCK✨
• nbd_trim(3)send trim command to the NBD server✨
• nbd_zero(3)send write zeroes command to the NBD server✨
• NBDKit(3)Interface between plugins written in OCaml and the nbdkit server.✨
• nbdkit-cc-plugin(3)write small nbdkit plugins in inline C (and other languages)✨
• nbdkit-filter(3)how to write nbdkit filters✨
• nbdkit-lua-plugin(3)nbdkit Lua plugin✨
• nbdkit-ocaml-plugin(3)writing nbdkit plugins in OCaml✨
• nbdkit-perl-plugin(3)nbdkit perl plugin✨
• nbdkit-plugin(3)how to write nbdkit plugins✨
• nbdkit-python-plugin(3)nbdkit python plugin✨
• nbdkit-ruby-plugin(3)nbdkit ruby plugin✨
• nbdkit-sh-plugin(3)nbdkit shell, script or executable plugin✨
• nbdkit-tcl-plugin(3)nbdkit Tcl plugin✨
• nbdkit-tracing(3)adding user statically defined tracing (USDT) probes✨
• nbdkit_absolute_path(3)convert relative to absolute paths for nbdkit✨
• nbdkit_debug(3)print debugging messages for nbdkit✨
• nbdkit_debug_hexdiff(3)display buffer in hexdump format✨
• nbdkit_debug_hexdump(3)display buffer in hexdump format✨
• nbdkit_disconnect(3)request shutdown or client disconnection✨
• nbdkit_error(3)return an error from nbdkit plugins✨
• nbdkit_export_name(3)get the NBD export name for nbdkit✨
• nbdkit_is_tls(3)get TLS status of the connection for nbdkit✨
• nbdkit_name(3)get the name of the nbdkit instance✨
• nbdkit_nanosleep(3)suspend the current thread for nbdkit✨
• nbdkit_parse_bool(3)parse human-readable boolean strings for nbdkit✨
• nbdkit_parse_delay(3)parse human-readable delays and sleeps for nbdkit✨
• nbdkit_parse_int(3)parse numbers for nbdkit✨
• nbdkit_parse_int16_t(3)parse numbers for nbdkit✨
• nbdkit_parse_int32_t(3)parse numbers for nbdkit✨
• nbdkit_parse_int64_t(3)parse numbers for nbdkit✨
• nbdkit_parse_int8_t(3)parse numbers for nbdkit✨
• nbdkit_parse_probability(3)parse probabilities for nbdkit✨
• nbdkit_parse_size(3)parse human-readable size strings for nbdkit✨
• nbdkit_parse_uint16_t(3)parse numbers for nbdkit✨
• nbdkit_parse_uint32_t(3)parse numbers for nbdkit✨
• nbdkit_parse_uint64_t(3)parse numbers for nbdkit✨
• nbdkit_parse_uint8_t(3)parse numbers for nbdkit✨
• nbdkit_parse_unsigned(3)parse numbers for nbdkit✨
• nbdkit_peer_gid(3)get client address and information for nbdkit✨
• nbdkit_peer_name(3)get client address and information for nbdkit✨
• nbdkit_peer_pid(3)get client address and information for nbdkit✨
• nbdkit_peer_security_context(3)get client address and information for nbdkit✨
• nbdkit_peer_tls_dn(3)read the client TLS X.509 Distinguished Name✨
• nbdkit_peer_tls_issuer_dn(3)read the client TLS X.509 Distinguished Name✨
• nbdkit_peer_uid(3)get client address and information for nbdkit✨
• nbdkit_printf_intern(3)create a string with limited lifetime for nbdkit✨
• nbdkit_read_password(3)read passwords and other secrets for nbdkit✨
• nbdkit_realpath(3)convert relative to absolute paths for nbdkit✨
• nbdkit_set_error(3)return an error from nbdkit plugins✨
• nbdkit_shutdown(3)request shutdown or client disconnection✨
• nbdkit_stdio_safe(3)is it safe to interact with stdin and stdout✨
• nbdkit_strdup_intern(3)create a string with limited lifetime for nbdkit✨
• nbdkit_strndup_intern(3)create a string with limited lifetime for nbdkit✨
• nbdkit_timestamp(3)generate a timestamp for log messages✨
• nbdkit_vdebug(3)print debugging messages for nbdkit✨
• nbdkit_verror(3)return an error from nbdkit plugins✨
• nbdkit_vprintf_intern(3)create a string with limited lifetime for nbdkit✨
• nbp_name(3)NBP name parsing✨
• nc_perror(3)get network configuration database entry✨
• nc_sperror(3)get network configuration database entry✨
• ncap(3)network data capture✨
• ncarg_cbind(3NCARG)Description of how to use the NCAR Graphics C- binding.✨
• ncarg_gks_cbind(3NCARG)Description of how to use the NCAR Graphics GKS C-binding.✨
• ncb(3)✨
• ncb_neg(3)✨
• ncb_pos(3)✨
• NCC::CountryCode(3pm)Perl extension for blah blah blah✨
• NCC::RipeDelegations(3pm)OO interface to the list of IP delegations from IANA✨
• ncgi(3tcl)Procedures to manipulate CGI values.✨
• nchannel(3)✨
• ncl_agback(3)Draws the background specified by the current values of the control parameters - the primary parameters with default values or with values supplied by the user, and the secondary parameters with…✨
• ncl_agbnch(3)Provides an easy way to convert binary dash patterns into character dash patterns.✨
• ncl_agchax(3)Provides a way for the user to change the color, intensity, line style, etc., of various portions of the axes.✨
• ncl_agchcu(3)Provides a way for the user to change the color, intensity, line style, etc., of curves drawn by Autograph.✨
• ncl_agchil(3)Provides a way for the user to change the color, intensity, text style, etc., of the informational labels.✨
• ncl_agchnl(3)Provides a way for the user to substitute arbitrary character strings for the numeric labels generated by Autograph.✨
• ncl_agcurv(3)Draws a curve in a manner specified by the current values of the control parameters - the primary parameters with default values or with values supplied by the user, and the secondary parameters with…✨
• ncl_agdshn(3)Provides an easy way to generate the names of parameters in the group 'DASH/PATTERN.', for use in calls to AGSETC and AGGETC.✨
• ncl_aggetc(3)Allows a user program to retrieve (in effect) the character- string values of certain single parameters.✨
• ncl_aggetf(3)Allows a user program to retrieve the real value of a single parameter.✨
• ncl_aggeti(3)Allows a user program to retrieve the integer equivalent of the real value of a single parameter.✨