#include "lib9.h"#include "kernel.h"#include "draw.h" /* * Default version: treat as file name */ Subfont*_getsubfont(Display *d, char *name){	int fd;	Subfont *f; 	fd = libopen(name, OREAD);			if(fd < 0){		_drawprint(2, "getsubfont: can't open %s: %r\n", name);		return 0;	}	/*	 * unlock display so i/o happens with display released, unless	 * user is doing his own locking, in which case this could break things.	 * _getsubfont is called only from string.c and stringwidth.c,	 * which are known to be safe to have this done.	 */	if(d->local == 0)		unlockdisplay(d);	f = readsubfont(d, name, fd, d->local == 0);	if(d->local == 0)		lockdisplay(d);	if(f == 0)		_drawprint(2, "getsubfont: can't read %s: %r\n", name);	libclose(fd);	return f;}