VioSetFont

typedef struct _VIOFONTINFO {   /* viofi */
  USHORT  cb;                 /* length of this structure */
  USHORT  type;               /* request type */
  USHORT  cxCell;             /* pel columns in character cell */
  USHORT  cyCell;             /* pel rows in character cell */
  PVOID   pbData;             /* requested font table (returned) */
  USHORT  cbData;             /* length of caller supplied data area
                                  (in bytes) */
} VIOFONTINFO;

#define INCL_VIO

USHORT  rc = VioSetFont(RequestBlock, VioHandle);

PVIOFONTINFO     RequestBlock;  /* Request block */
HVIO             VioHandle;     /* Video handle */

USHORT           rc;            /* return code */