SYNOPSIS

MSymbol mplist_key (MPlist * plist)

DESCRIPTION

Return the key of the first property in a property list. The mplist_key() function returns the key of the first property in property list plist. If the length of plist is zero, it returns Mnil.

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>.