ch has the Unicode mirrored property and there is another Unicode
character that typically has a glyph that is the mirror image of ch's
glyph, puts that character in the address pointed to by mirrored.ch.
WARNING: pango_get_mirror_char is deprecated and should not be used in newly-written code.
pangoGetMirrorChar(ch)chTRUE if ch has a mirrored character and mirrored.ch is
filled in, FALSE otherwisemirrored.chgUnicharGetMirrorChar() instead; the docs for that function
provide full details.