mface_get_prop -

       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>.

Version 1.8.4                                    Mon Sep 25 2023                           mface_get_prop(3m17n)

       Get the value of a face property. The mface_get_prop() function returns the value of the face property
       whose key is key in face face.  key must be one of the followings:

       #Mforeground, #Mbackground, #Mvideomode, #Mhline, #Mbox,
       #Mfoundry, #Mfamily, #Mweight, #Mstyle, #Mstretch, #Madstyle,
       #Msize, #Mfontset, #Mratio, #Mhook_func, #Mhook_arg

           MERROR_FACE

       mface_get_prop -

           The actual type of the returned value depends of key. See documentation of the above keys. If an
           error is detected, it returns NULL and assigns an error code to the external variable merror_code.

mface_put_prop(), mface_put_hook()

       void* mface_get_prop (MFace * face, MSymbol key)