Hi all.
From the GRX 2.3 version GrLoadFont didn'nt worked with BGI fonts. To fix the problem change in fonts/fdv_bgi.h and fonts/fdv_bgi.c lines with:
#ifdef BIG_ENDIAN
by:
#if BYTE_ORDER==BIG_ENDIAN
and GrLoadFont will work nicely with Bgi fonts.