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NAME
     tt_spec_prop_set - replace property values

SYNOPSIS
     #include <Tt/tt_c.h>
     Tt_status tt_spec_prop_set(const char *objid,
                                const char *propname,
                                const char *value);

DESCRIPTION
     The  tt_spec_prop_set()   function   replaces   any   values
     currently stored under this property of the object spec with
     a new value.

     The objid argument is the identifier of the object  involved
     in this operation.  The propname argument is the name of the
     property which stores the values.  The value argument is the
     value  to be placed in the property value list.  If value is
     NULL, the property is removed entirely.

RETURN VALUE
     Upon successful completion, the tt_spec_prop_set()  function
     returns  the status of the operation as one of the following
     Tt_status values:

        TT_OK   The operation completed successfully.

        TT_ERR_DBAVAIL
                The ToolTalk service could not access  the  Tool-
                Talk database needed for this operation.

        TT_ERR_DBEXIST
                The ToolTalk service could not access the  speci-
                fied ToolTalk database in the expected place.

        TT_ERR_NOMP
                The ttsession(1) process is not running  and  the
                ToolTalk service cannot restart it.

        TT_ERR_OBJID
                The objid passed to the ToolTalk service does not
                reference an existing object spec.

        TT_ERR_PROPLEN
                The specified property value is too  long.   (The
                maximum  size  is implementation specific, but is
                at least 2048.)

        TT_ERR_PROPNAME
                The  specified  property  name  is  syntactically
                invalid.

SEE ALSO
     tt_c(5), tt_spec_prop_add(3).

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