93 lines
3.3 KiB
Plaintext
93 lines
3.3 KiB
Plaintext
<!-- $XConsortium: Set_Env.sgm /main/6 1996/09/08 20:15:27 rws $ -->
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<!-- (c) Copyright 1995 Digital Equipment Corporation. -->
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<!-- (c) Copyright 1995 Hewlett-Packard Company. -->
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<!-- (c) Copyright 1995 International Business Machines Corp. -->
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<!-- (c) Copyright 1995 Sun Microsystems, Inc. -->
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<!-- (c) Copyright 1995 Novell, Inc. -->
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<!-- (c) Copyright 1995 FUJITSU LIMITED. -->
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<!-- (c) Copyright 1995 Hitachi. -->
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<![ %CDE.C.CDE; [<RefEntry Id="CDEMX.XCDI.MAN307.rsml.1">]]>
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<![ %CDE.C.XO; [<RefEntry Id="XCDI.MAN307.rsml.1">]]>
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<RefMeta>
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<RefEntryTitle>Set_Environment</RefEntryTitle>
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<ManVolNum>special file</ManVolNum>
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</RefMeta>
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<RefNameDiv>
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<RefName><Symbol Role="Message">Set_Environment</Symbol></RefName>
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<RefPurpose>set a tool's environment
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</RefPurpose>
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</RefNameDiv>
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<!-- $XConsortium: Set_Env.sgm /main/6 1996/09/08 20:15:27 rws $-->
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<!-- CDE Common Source Format, Version 1.0.0-->
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<!-- (c) Copyright 1993, 1994, 1995 Hewlett-Packard Company-->
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<!-- (c) Copyright 1993, 1994, 1995 International Business Machines Corp.-->
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<!-- (c) Copyright 1993, 1994, 1995 Sun Microsystems, Inc.-->
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<!-- (c) Copyright 1993, 1994, 1995 Novell, Inc.-->
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<RefSynopsisDiv>
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<Synopsis>Set_Environment(in string <Symbol Role="Variable">variable</Symbol>,
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in string <Symbol Role="Variable">value</Symbol>
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[...]);
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</Synopsis>
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</RefSynopsisDiv>
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<RefSect1>
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<Title>DESCRIPTION</Title>
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<Para>The
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<Symbol Role="Message">Set_Environment</Symbol> request
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replaces the value of the indicated environment variable(s).
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</Para>
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<Para>The
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<Symbol Role="Variable">variable</Symbol> argument
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is the name of the environment variable to set.
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</Para>
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<Para>The
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<Symbol Role="Variable">value</Symbol> argument
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is the value of the environment variable.
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If this argument is unset (in other words, has a
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value of
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<Literal>(char *)0</Literal>), then the
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variable should be removed from the environment.
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It is not
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an error for the variable not to have existed in the first place.
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</Para>
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</RefSect1>
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<RefSect1>
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<Title>APPLICATION USAGE</Title>
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<Para>The
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&cdeman.ttdt.session.join;, function can be used to register for,
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and transparently process, the
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<Symbol Role="Message">Set_Environment</Symbol> request.
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</Para>
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</RefSect1>
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<RefSect1>
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<Title>EXAMPLES</Title>
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<Para>The
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<Symbol Role="Message">Set_Environment</Symbol> request can be sent as in the following example:
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</Para>
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<InformalExample Remap="indent">
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<ProgramListing>Tt_message msg = tttk_message_create(0, TT_REQUEST, TT_SESSION,
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the_recipient_procid, TTDT_SET_ENVIRONMENT,
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my_callback);
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tt_message_arg_add(msg, TT_IN, Tttk_string, "PATH");
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tt_message_arg_add(msg, TT_IN, Tttk_string, "/bin:/usr/ucb");
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tt_message_send(msg);
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</ProgramListing>
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</InformalExample>
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</RefSect1>
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<![ %CDE.C.CDE; [
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<RefSect1>
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<Title>WARNINGS</Title>
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<Para><Symbol Role="Message">Set_Environment</Symbol> can also be sent as a multicast notice, as an
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<Emphasis>edict</Emphasis> to all tools in the scope of the message.
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The consequences of doing so can be severe and unexpected.
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</Para>
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</RefSect1>
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]]>
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<RefSect1>
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<Title>SEE ALSO</Title>
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<Para>&cdeman.tt.message.arg.add;, &cdeman.tt.message.send;, &cdeman.ttdt.session.join;; <Symbol Role="Message">Get_Environment</Symbol> request.
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</Para>
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</RefSect1>
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</RefEntry>
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<!--fickle 1.12 mancsf-to-docbook 1.2 08/07/95 23:18:47-->
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