#include "lib9.h"#include "draw.h" /* * Default version: convert to file name */ char*subfontname(char *cfname, char *fname, int maxdepth){	char *t, *u, tmp1[128], tmp2[128];	int i; 	if(strcmp(cfname, "*default*") == 0)		return strdup(cfname);	t = cfname;	if(t[0] != '/'){		snprint(tmp2, sizeof tmp2, "%s", fname);		u = utfrrune(tmp2, '/');		if(u)			u[0] = 0;		else			strcpy(tmp2, ".");		snprint(tmp1, sizeof tmp1, "%s/%s", tmp2, t);		t = tmp1;	} 	if(maxdepth > 8)		maxdepth = 8; 	for(i=3; i>=0; i--){		if((1<<i) > maxdepth)			continue;		/* try i-bit grey */		snprint(tmp2, sizeof tmp2, "%s.%d", t, i);		if(access(tmp2, AREAD) == 0)			return strdup(tmp2);	} 	/* try default */	if(access(t, AREAD) == 0)		return strdup(t); 	return nil;}