section 3 · Library functions 📚

Q (continued)

• qb_map_put(3)Inserts a new key and value into a qb_map_t.✨
• qb_map_rm(3)Removes a key/value pair from a map.✨
• qb_rb_chmod(3)Like 'chmod', it changes the mode of the ringbuffer's resources.✨
• qb_rb_chown(3)Like 'chown', it changes the owner and group of the ringbuffer's resources.✨
• qb_rb_chunk_alloc(3)Allocate space for a chunk of the given size.✨
• qb_rb_chunk_commit(3)Finalize the chunk.✨
• qb_rb_chunk_peek(3)Read (without reclaiming) the last chunk.✨
• qb_rb_chunk_read(3)Read the oldest chunk into data_out.✨
• qb_rb_chunk_reclaim(3)Reclaim the oldest chunk.✨
• qb_rb_chunk_write(3)Write a chunk to the ring buffer.✨
• qb_rb_chunks_used(3)The total number of chunks in the buffer.✨
• qb_rb_close(3)Dereference the ringbuffer and, if we are the last user, destroy it.✨
• qb_rb_create_from_file(3)Load the saved ring buffer from file into temporary memory.✨
• qb_rb_name_get(3)Get the name of the ringbuffer.✨
• qb_rb_open(3)Create the ring buffer with the given type.✨
• qb_rb_refcount_get(3)Get the reference count.✨
• qb_rb_shared_user_data_get(3)Get a point to user shared data area.✨
• qb_rb_space_free(3)The amount of free space in the ring buffer.✨
• qb_rb_space_used(3)The total amount of data in the buffer.✨
• qb_rb_write_to_file(3)Write the contents of the Ring Buffer to file.✨
• qb_skiplist_create(3)Create a sorted map using a skiplist.✨
• qb_strerror_r(3)strerror_r replacement.✨
• qb_thread_lock(3)Calls either pthread_mutex_lock() or pthread_spin_lock().✨
• qb_thread_lock_create(3)Create a new lock of the given type.✨
• qb_thread_lock_destroy(3)Calls either pthread_mutex_destro() or pthread_spin_destroy().✨
• qb_thread_trylock(3)Calls either pthread_mutex_trylock() or pthread_spin_trylock().✨
• qb_thread_unlock(3)Calls either pthread_mutex_unlock() or pthread_spin_unlock.✨
• qb_timespec_add_ms(3)Add milliseconds onto the timespec.✨
• qb_trie_create(3)Create a sorted map using a Patricia trie or "Radix tree".✨
• qb_trie_dump(3)print out the nodes in the trie✨
• qb_util_nano_current_get(3)Get the current number of nano secounds produced by the systems incrementing clock (CLOCK_MONOTOMIC if available).✨
• qb_util_nano_from_epoch_get(3)Get the time in nano seconds since epoch.✨
• qb_util_nano_monotonic_hz(3)Get the frequence of the clock used in qb_util_nano_current_get().✨
• qb_util_set_log_function(3)Use this function to output libqb internal log message as you wish.✨
• qb_util_stopwatch_create(3)Create a Stopwatch (to time operations).✨
• qb_util_stopwatch_free(3)Free the stopwatch.✨
• qb_util_stopwatch_sec_elapsed_get(3)Get the elapsed time in seconds.✨
• qb_util_stopwatch_split(3)Create a new time split (or lap time).✨
• qb_util_stopwatch_split_ctl(3)✨
• qb_util_stopwatch_split_last(3)Get the last split index to be used by qb_util_stopwatch_time_split_get().✨
• qb_util_stopwatch_start(3)Start the stopwatch.✨
• qb_util_stopwatch_stop(3)Stop the stopwatch.✨
• qb_util_stopwatch_time_split_get(3)Read the time split (in us) from "receint" to "older".✨
• qb_util_stopwatch_us_elapsed_get(3)Get the elapsed time in micro seconds.✨
• qb_util_timespec_from_epoch_get(3)Get the time in timespec since epoch.✨
• qball(3)3-d rotation controller✨
• qbarray.h(3)This is a dynamic array (it can grow, but without moving memory).✨
• qbatomic.h(3)Basic atomic integer and pointer operations.✨
• qbdefs.h(3)These are some convience macros and defines.✨
• qbhdb.h(3)The handle database is for reference counting objects.✨
• QBig5Codec(3qt)Conversion to and from the Big5 encoding✨
• qbig5codec(3qt)Conversion to and from the Big5 encoding✨
• QBig5hkscsCodec(3qt)Conversion to and from the Big5-HKSCS encoding✨
• qbig5hkscscodec(3qt)Conversion to and from the Big5-HKSCS encoding✨
• qbipc_common.h(3)common types and definitions✨
• qbipcc.h(3)Client IPC API.✨
• qbipcs.h(3)Server IPC API.✨
• QBitArray(3qt)Array of bits✨
• qbitarray(3qt)Array of bits✨
• QBitmap(3qt)Monochrome (1-bit depth) pixmaps✨
• qbitmap(3qt)Monochrome (1-bit depth) pixmaps✨
• QBitVal(3qt)Internal class, used with QBitArray✨
• qbitval(3qt)Internal class, used with QBitArray✨
• qblist.h(3)This is a kernel style list implementation.✨
• qblog.h(3)The logging API provides four main parts (basics, filtering, threading & blackbox).✨
• qbloop.h(3)Main loop manages timers, jobs and polling sockets.✨
• qbmap.h(3)This provides a map interface to a Patricia trie, hashtable or skiplist.✨
• QBoxLayout(3qt)Lines up child widgets horizontally or vertically✨
• qboxlayout(3qt)Lines up child widgets horizontally or vertically✨
• qbrb.h(3)This implements a ring buffer that works in "chunks", not bytes.✨
• QBrush(3qt)Defines the fill pattern of shapes drawn by a QPainter✨
• qbrush(3qt)Defines the fill pattern of shapes drawn by a QPainter✨
• QBuffer(3qt)I/O device that operates on a QByteArray✨
• qbuffer(3qt)I/O device that operates on a QByteArray✨
• qbutil.h(3)These are some convience functions used throughout libqb.✨
• QButton(3qt)The abstract base class of button widgets, providing functionality common to buttons✨
• qbutton(3qt)The abstract base class of button widgets, providing functionality common to buttons✨
• QButtonGroup(3qt)Organizes QButton widgets in a group✨
• qbuttongroup(3qt)Organizes QButton widgets in a group✨
• QByteArray(3qt)Array of bytes✨
• qbytearray(3qt)Array of bytes✨
• QCache(3qt)Template class that provides a cache based on QString keys✨
• qcache(3qt)Template class that provides a cache based on QString keys✨
• QCacheIterator(3qt)Iterator for QCache collections✨
• qcacheiterator(3qt)Iterator for QCache collections✨
• QCanvas(3qt)2D area that can contain QCanvasItem objects✨
• qcanvas(3qt)2D area that can contain QCanvasItem objects✨
• QCanvasEllipse(3qt)Ellipse or ellipse segment on a QCanvas✨
• qcanvasellipse(3qt)Ellipse or ellipse segment on a QCanvas✨
• QCanvasItem(3qt)Abstract graphic object on a QCanvas✨
• qcanvasitem(3qt)Abstract graphic object on a QCanvas✨
• QCanvasItemList(3qt)List of QCanvasItems✨
• qcanvasitemlist(3qt)List of QCanvasItems✨
• QCanvasLine(3qt)Line on a QCanvas✨
• qcanvasline(3qt)Line on a QCanvas✨
• QCanvasPixmap(3qt)Pixmaps for QCanvasSprites✨
• qcanvaspixmap(3qt)Pixmaps for QCanvasSprites✨
• QCanvasPixmapArray(3qt)Array of QCanvasPixmaps✨
• qcanvaspixmaparray(3qt)Array of QCanvasPixmaps✨
• QCanvasPolygon(3qt)Polygon on a QCanvas✨
• qcanvaspolygon(3qt)Polygon on a QCanvas✨
• QCanvasPolygonalItem(3qt)Polygonal canvas item on a QCanvas✨
• qcanvaspolygonalitem(3qt)Polygonal canvas item on a QCanvas✨
• QCanvasRectangle(3qt)Rectangle on a QCanvas✨
• qcanvasrectangle(3qt)Rectangle on a QCanvas✨
• QCanvasSpline(3qt)Multi-bezier splines on a QCanvas✨
• qcanvasspline(3qt)Multi-bezier splines on a QCanvas✨
• QCanvasSprite(3qt)Animated canvas item on a QCanvas✨
• qcanvassprite(3qt)Animated canvas item on a QCanvas✨
• QCanvasText(3qt)Text object on a QCanvas✨
• qcanvastext(3qt)Text object on a QCanvas✨
• QCanvasView(3qt)On-screen view of a QCanvas✨
• qcanvasview(3qt)On-screen view of a QCanvas✨
• QCDEStyle(3qt)CDE look and feel✨
• qcdestyle(3qt)CDE look and feel✨
• QChar(3qt)Lightweight Unicode character✨
• qchar(3qt)Lightweight Unicode character✨
• QCharRef(3qt)Helper class for QString✨
• qcharref(3qt)Helper class for QString✨
• QCheckBox(3qt)Checkbox with a text label✨
• qcheckbox(3qt)Checkbox with a text label✨
• QCheckListItem(3qt)Checkable list view items✨
• qchecklistitem(3qt)Checkable list view items✨
• QCheckTableItem(3qt)Checkboxes in QTables✨
• qchecktableitem(3qt)Checkboxes in QTables✨
• QChildEvent(3qt)Event parameters for child object events✨
• qchildevent(3qt)Event parameters for child object events✨
• QClipboard(3qt)Access to the window system clipboard✨
• qclipboard(3qt)Access to the window system clipboard✨
• QCloseEvent(3qt)Parameters that describe a close event✨
• qcloseevent(3qt)Parameters that describe a close event✨
• QColor(3qt)Colors based on RGB or HSV values✨
• qcolor(3qt)Colors based on RGB or HSV values✨
• QColorDialog(3qt)Dialog widget for specifying colors✨
• qcolordialog(3qt)Dialog widget for specifying colors✨
• QColorDrag(3qt)Drag and drop object for transferring colors✨
• qcolordrag(3qt)Drag and drop object for transferring colors✨
• QColorGroup(3qt)Group of widget colors✨
• qcolorgroup(3qt)Group of widget colors✨
• QComboBox(3qt)Combined button and popup list✨
• qcombobox(3qt)Combined button and popup list✨
• QComboTableItem(3qt)Means of using comboboxes in QTables✨
• qcombotableitem(3qt)Means of using comboboxes in QTables✨
• QCommonStyle(3qt)Encapsulates the common Look and Feel of a GUI✨
• qcommonstyle(3qt)Encapsulates the common Look and Feel of a GUI✨
• qcomplex(3tcl)Straightforward complex number package✨
• QConstString(3qt)String objects using constant Unicode data✨
• qconststring(3qt)String objects using constant Unicode data✨
• QContextMenuEvent(3qt)Parameters that describe a context menu event✨
• qcontextmenuevent(3qt)Parameters that describe a context menu event✨
• QCopChannel(3qt)Communication capabilities between several clients✨
• qcopchannel(3qt)Communication capabilities between several clients✨
• QCString(3qt)Abstraction of the classic C zero-terminated char array (char *)✨
• qcstring(3qt)Abstraction of the classic C zero-terminated char array (char *)✨
• QCursor(3qt)Mouse cursor with an arbitrary shape✨
• qcursor(3qt)Mouse cursor with an arbitrary shape✨
• QCustomEvent(3qt)Support for custom events✨
• qcustomevent(3qt)Support for custom events✨
• QCustomMenuItem(3qt)Abstract base class for custom menu items in popup menus✨
• qcustommenuitem(3qt)Abstract base class for custom menu items in popup menus✨
• QDataBrowser(3qt)Data manipulation and navigation for data entry forms✨
• qdatabrowser(3qt)Data manipulation and navigation for data entry forms✨
• QDataStream(3qt)Serialization of binary data to a QIODevice✨
• qdatastream(3qt)Serialization of binary data to a QIODevice✨
• QDataTable(3qt)Flexible SQL table widget that supports browsing and editing✨
• qdatatable(3qt)Flexible SQL table widget that supports browsing and editing✨
• QDataView(3qt)Read-only SQL forms✨
• qdataview(3qt)Read-only SQL forms✨
• QDate(3qt)Date functions✨
• qdate(3qt)Date functions✨
• QDateEdit(3qt)Date editor✨
• qdateedit(3qt)Date editor✨
• QDateTime(3qt)Date and time functions✨
• qdatetime(3qt)Date and time functions✨
• QDateTimeEdit(3qt)Combines a QDateEdit and QTimeEdit widget into a single widget for editing datetimes✨
• qdatetimeedit(3qt)Combines a QDateEdit and QTimeEdit widget into a single widget for editing datetimes✨
• QDateTimeEditBase(3qt)Abstraction for date and edit editors✨
• qdatetimeeditbase(3qt)Abstraction for date and edit editors✨
• qdbm(3)quick database manager✨
• QDeepCopy(3qt)Template class which ensures that✨
• qdeepcopy(3qt)Template class which ensures that✨
• qdelay_old(3)✨
• qdelay_ref(3)✨
• QDesktopWidget(3qt)Access to screen information on multi-head systems✨
• qdesktopwidget(3qt)Access to screen information on multi-head systems✨
• QDial(3qt)Rounded range control (like a speedometer or potentiometer)✨
• qdial(3qt)Rounded range control (like a speedometer or potentiometer)✨
• QDialog(3qt)The base class of dialog windows✨
• qdialog(3qt)The base class of dialog windows✨
• QDict(3qt)Template class that provides a dictionary based on QString keys✨
• qdict(3qt)Template class that provides a dictionary based on QString keys✨
• QDictIterator(3qt)Iterator for QDict collections✨
• qdictiterator(3qt)Iterator for QDict collections✨
• QDir(3qt)Access to directory structures and their contents in a platform- independent way✨
• qdir(3qt)Access to directory structures and their contents in a platform- independent way✨
• QDirectPainter(3qt)Direct access to the video hardware✨
• qdirectpainter(3qt)Direct access to the video hardware✨
• QDns(3qt)Asynchronous DNS lookups✨
• qdns(3qt)Asynchronous DNS lookups✨
• QDockArea(3qt)Manages and lays out QDockWindows✨