SUBR_PUTC
#define SUBR_PUTC(ip,c,dy,dx,m) (ip)->grf->g_iteputc(ip,c,dy,dx,m)
#define SUBR_PUTC(sc,c,dy,dx,m) (sc)->grf->g_iteputc(sc,c,dy,dx,m)
#define SUBR_PUTC(ip,c,dy,dx,m) ip->isw->ite_putc(ip,c,dy,dx,m)