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-'\" t
-.TH QUuid 3qt "2 February 2007" "Trolltech AS" \" -*- nroff -*-
-.\" Copyright 1992-2007 Trolltech ASA. All rights reserved. See the
-.\" license file included in the distribution for a complete license
-.\" statement.
-.\"
-.ad l
-.nh
-.SH NAME
-QUuid \- Defines a Universally Unique Identifier (UUID)
-.SH SYNOPSIS
-All the functions in this class are reentrant when Qt is built with thread support.</p>
-.PP
-\fC#include <ntquuid.h>\fR
-.PP
-.SS "Public Members"
-.in +1c
-.ti -1c
-.BI "enum \fBVariant\fR { VarUnknown = -1, NCS = 0, DCE = 2, Microsoft = 6, Reserved = 7 }"
-.br
-.ti -1c
-.BI "enum \fBVersion\fR { VerUnknown = -1, Time = 1, EmbeddedPOSIX = 2, Name = 3, Random = 4 }"
-.br
-.ti -1c
-.BI "\fBQUuid\fR ()"
-.br
-.ti -1c
-.BI "\fBQUuid\fR ( uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8 )"
-.br
-.ti -1c
-.BI "\fBQUuid\fR ( const QUuid & orig )"
-.br
-.ti -1c
-.BI "\fBQUuid\fR ( const QString & text )"
-.br
-.ti -1c
-.BI "QString \fBtoString\fR () const"
-.br
-.ti -1c
-.BI "\fBoperator QString\fR () const"
-.br
-.ti -1c
-.BI "bool \fBisNull\fR () const"
-.br
-.ti -1c
-.BI "QUuid & \fBoperator=\fR ( const QUuid & uuid )"
-.br
-.ti -1c
-.BI "bool \fBoperator==\fR ( const QUuid & other ) const"
-.br
-.ti -1c
-.BI "bool \fBoperator!=\fR ( const QUuid & other ) const"
-.br
-.ti -1c
-.BI "bool \fBoperator<\fR ( const QUuid & other ) const"
-.br
-.ti -1c
-.BI "bool \fBoperator>\fR ( const QUuid & other ) const"
-.br
-.ti -1c
-.BI "QUuid::Variant \fBvariant\fR () const"
-.br
-.ti -1c
-.BI "QUuid::Version \fBversion\fR () const"
-.br
-.in -1c
-.SS "Static Public Members"
-.in +1c
-.ti -1c
-.BI "QUuid \fBcreateUuid\fR ()"
-.br
-.in -1c
-.SH RELATED FUNCTION DOCUMENTATION
-.in +1c
-.ti -1c
-.BI "QDataStream & \fBoperator<<\fR ( QDataStream & s, const QUuid & id )"
-.br
-.ti -1c
-.BI "QDataStream & \fBoperator>>\fR ( QDataStream & s, QUuid & id )"
-.br
-.in -1c
-.SH DESCRIPTION
-The QUuid class defines a Universally Unique Identifier (UUID).
-.PP
-For objects or declarations that must be uniquely identified, UUIDs (also known as GUIDs) are widely used in order to assign a fixed and easy to compare value to the object or declaration. The 128-bit value of a UUID is generated by an algorithm that guarantees that the value is unique.
-.PP
-In Qt, UUIDs are wrapped by the QUuid struct which provides convenience functions for handling UUIDs. Most platforms provide a tool to generate new UUIDs, for example, uuidgen and guidgen.
-.PP
-UUIDs generated by QUuid, are based on the Random version of the DCE (Distributed Computing Environment) standard.
-.PP
-UUIDs can be constructed from numeric values or from strings, or using the static createUuid() function. They can be converted to a string with toString(). UUIDs have a variant() and a version(), and null UUIDs return TRUE from isNull().
-.SS "Member Type Documentation"
-.SH "QUuid::Variant"
-This enum defines the variant of the UUID, which is the scheme which defines the layout of the 128-bits value.
-.TP
-\fCQUuid::VarUnknown\fR - Variant is unknown
-.TP
-\fCQUuid::NCS\fR - Reserved for NCS (Network Computing System) backward compatibility
-.TP
-\fCQUuid::DCE\fR - Distributed Computing Environment, the scheme used by QUuid
-.TP
-\fCQUuid::Microsoft\fR - Reserved for Microsoft backward compatibility (GUID)
-.TP
-\fCQUuid::Reserved\fR - Reserved for future definition
-.SH "QUuid::Version"
-This enum defines the version of the UUID.
-.TP
-\fCQUuid::VerUnknown\fR - Version is unknown
-.TP
-\fCQUuid::Time\fR - Time-based, by using timestamp, clock sequence, and MAC network card address (if available) for the node sections
-.TP
-\fCQUuid::EmbeddedPOSIX\fR - DCE Security version, with embedded POSIX UUIDs
-.TP
-\fCQUuid::Name\fR - Name-based, by using values from a name for all sections
-.TP
-\fCQUuid::Random\fR - Random-based, by using random numbers for all sections
-.SH MEMBER FUNCTION DOCUMENTATION
-.SH "QUuid::QUuid ()"
-Creates the null UUID {00000000-0000-0000-0000-000000000000}.
-.SH "QUuid::QUuid ( uint l, ushort w1, ushort w2, uchar b1, uchar b2, uchar b3, uchar b4, uchar b5, uchar b6, uchar b7, uchar b8 )"
-Creates a UUID with the value specified by the parameters, \fIl\fR, \fIw1\fR, \fIw2\fR, \fIb1\fR, \fIb2\fR, \fIb3\fR, \fIb4\fR, \fIb5\fR, \fIb6\fR, \fIb7\fR, \fIb8\fR.
-.PP
-Example:
-.PP
-.nf
-.br
- // {67C8770B-44F1-410A-AB9A-F9B5446F13EE}
-.br
- QUuid IID_MyInterface( 0x67c8770b, 0x44f1, 0x410a, 0xab, 0x9a, 0xf9, 0xb5, 0x44, 0x6f, 0x13, 0xee )
-.br
-.fi
-.SH "QUuid::QUuid ( const QUuid & orig )"
-Creates a copy of the QUuid \fIorig\fR.
-.SH "QUuid::QUuid ( const QString & text )"
-Creates a QUuid object from the string \fItext\fR. The function can only convert a string in the format {HHHHHHHH-HHHH-HHHH-HHHH-HHHHHHHHHHHH} (where 'H' stands for a hex digit). If the conversion fails a null UUID is created.
-.SH "QUuid QUuid::createUuid ()\fC [static]\fR"
-Returns a new UUID of DCE variant, and Random type. The UUIDs generated are based on the platform specific pseudo-random generator, which is usually not a cryptographic-quality random number generator. Therefore, a UUID is not guaranteed to be unique cross application instances.
-.PP
-On Windows, the new UUID is extremely likely to be unique on the same or any other system, networked or not.
-.PP
-See also variant() and version().
-.SH "bool QUuid::isNull () const"
-Returns TRUE if this is the null UUID {00000000-0000-0000-0000-000000000000}; otherwise returns FALSE.
-.SH "QUuid::operator QString () const"
-Returns the string representation of the uuid.
-.PP
-See also toString().
-.SH "bool QUuid::operator!= ( const QUuid & other ) const"
-Returns TRUE if this QUuid and the \fIother\fR QUuid are different; otherwise returns FALSE.
-.SH "bool QUuid::operator< ( const QUuid & other ) const"
-Returns TRUE if this QUuid is of the same variant, and lexicographically before the \fIother\fR QUuid; otherwise returns FALSE.
-.PP
-See also variant().
-.SH "QUuid & QUuid::operator= ( const QUuid & uuid )"
-Assigns the value of \fIuuid\fR to this QUuid object.
-.SH "bool QUuid::operator== ( const QUuid & other ) const"
-Returns TRUE if this QUuid and the \fIother\fR QUuid are identical; otherwise returns FALSE.
-.SH "bool QUuid::operator> ( const QUuid & other ) const"
-Returns TRUE if this QUuid is of the same variant, and lexicographically after the \fIother\fR QUuid; otherwise returns FALSE.
-.PP
-See also variant().
-.SH "QString QUuid::toString () const"
-QString QUuid::toString() const
-.PP
-Returns the string representation of the uuid.
-.SH "QUuid::Variant QUuid::variant () const"
-Returns the variant of the UUID. The null UUID is considered to be of an unknown variant.
-.PP
-See also version().
-.SH "QUuid::Version QUuid::version () const"
-Returns the version of the UUID, if the UUID is of the DCE variant; otherwise returns VerUnknown.
-.PP
-See also variant().
-.SH RELATED FUNCTION DOCUMENTATION
-.SH "QDataStream & operator<< ( QDataStream & s, const QUuid & id )"
-Writes the uuid \fIid\fR to the datastream \fIs\fR.
-.SH "QDataStream & operator>> ( QDataStream & s, QUuid & id )"
-Reads uuid from from the stream \fIs\fR into \fIid\fR.
-
-.SH "SEE ALSO"
-.BR http://doc.trolltech.com/ntquuid.html
-.BR http://www.trolltech.com/faq/tech.html
-.SH COPYRIGHT
-Copyright 1992-2007 Trolltech ASA, http://www.trolltech.com. See the
-license file included in the distribution for a complete license
-statement.
-.SH AUTHOR
-Generated automatically from the source code.
-.SH BUGS
-If you find a bug in Qt, please report it as described in
-.BR http://doc.trolltech.com/bughowto.html .
-Good bug reports help us to help you. Thank you.
-.P
-The definitive Qt documentation is provided in HTML format; it is
-located at $QTDIR/doc/html and can be read using Qt Assistant or with
-a web browser. This man page is provided as a convenience for those
-users who prefer man pages, although this format is not officially
-supported by Trolltech.
-.P
-If you find errors in this manual page, please report them to
-.BR qt-bugs@trolltech.com .
-Please include the name of the manual page (quuid.3qt) and the Qt
-version (3.3.8).