#include "lib9.h"#include "draw.h"#include "kernel.h" staticvoidpackinfo(Fontchar *fc, uchar *p, int n){	int j; 	for(j=0;  j<=n;  j++){		p[0] = fc->x;		p[1] = fc->x>>8;		p[2] = fc->top;		p[3] = fc->bottom;		p[4] = fc->left;		p[5] = fc->width;		fc++;		p += 6;	}} intwritesubfont(int fd, Subfont *f){	char hdr[3*12+1];	uchar *data;	int nb; 	sprint(hdr, "%11d %11d %11d ", f->n, f->height, f->ascent);	if(libwrite(fd, hdr, 3*12) != 3*12){   Err:		kwerrstr("writesubfont: bad write: %r");		return -1;	}	nb = 6*(f->n+1);	data = malloc(nb);	if(data == nil)		return -1;	packinfo(f->info, data, f->n);	if(libwrite(fd, data, nb) != nb)		goto Err;	free(data);	return 0;}