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124 lines
2.9 KiB
124 lines
2.9 KiB
'\" t
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.\" Title: zmq_has
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.\" Author: [see the "AUTHORS" section]
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.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
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.\" Date: 02/18/2017
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.\" Manual: 0MQ Manual
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.\" Source: 0MQ 4.2.2
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.\" Language: English
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.\"
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.TH "ZMQ_HAS" "3" "02/18/2017" "0MQ 4\&.2\&.2" "0MQ Manual"
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.\" http://bugs.debian.org/507673
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.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.\" -----------------------------------------------------------------
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.\" * set default formatting
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.\" -----------------------------------------------------------------
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.\" -----------------------------------------------------------------
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.\" * MAIN CONTENT STARTS HERE *
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.\" -----------------------------------------------------------------
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.SH "NAME"
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zmq_has \- check a ZMQ capability
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.SH "SYNOPSIS"
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.sp
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\fBint zmq_has (const char *capability);\fR
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.SH "DESCRIPTION"
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.sp
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The \fIzmq_has()\fR function shall report whether a specified capability is available in the library\&. This allows bindings and applications to probe a library directly, for transport and security options\&.
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.sp
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Capabilities shall be lowercase strings\&. The following capabilities are defined:
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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ipc \- the library supports the ipc:// protocol
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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pgm \- the library supports the pgm:// protocol
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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tipc \- the library supports the tipc:// protocol
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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norm \- the library supports the norm:// protocol
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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curve \- the library supports the CURVE security mechanism
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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gssapi \- the library supports the GSSAPI security mechanism
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.RE
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.sp
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.RS 4
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.ie n \{\
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\h'-04'\(bu\h'+03'\c
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.\}
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.el \{\
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.sp -1
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.IP \(bu 2.3
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.\}
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draft \- the library is built with the draft api
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.RE
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.sp
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When this method is provided, the zmq\&.h header file will define ZMQ_HAS_CAPABILITIES\&.
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.SH "RETURN VALUE"
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.sp
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The \fIzmq_has()\fR function shall return 1 if the specified capability is provided\&. Otherwise it shall return 0\&.
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.SH "AUTHORS"
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.sp
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This page was written by the 0MQ community\&. To make a change please read the 0MQ Contribution Policy at \m[blue]\fBhttp://www\&.zeromq\&.org/docs:contributing\fR\m[]\&.
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