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					125 lines
				
				2.9 KiB
			
		
		
			
		
	
	
					125 lines
				
				2.9 KiB
			| 
								 
											7 years ago
										 
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								'\" 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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								.\" -----------------------------------------------------------------
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								.\" * Define some portability stuff
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								.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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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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								.ie \n(.g .ds Aq \(aq
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								.el       .ds Aq '
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								.\" -----------------------------------------------------------------
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								.\" * set default formatting
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								.nh
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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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								\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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								\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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								\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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