NAME

       mplist_push - Add a property at the beginning of a property list.

SYNOPSIS

       MPlist* mplist_push (MPlist * plist, MSymbol key, void * val)

DESCRIPTION

       Add a property at the beginning of a property list. The mplist_push() function inserts at
       the beginning of property list plist a property whose key is key and value is val.

       If key is a managing key, val must be a managed object. In this case, the reference count
       of val is incremented by one.

RETURN VALUE

           If the operation was successful, this function returns plist.  Otherwise, it returns
           NULL.

COPYRIGHT

       Copyright (C) 2001 Information-technology Promotion Agency (IPA)
       Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology
       (AIST)
       Permission is granted to copy, distribute and/or modify this document under the terms of
       the GNU Free Documentation License <http://www.gnu.org/licenses/fdl.html>.