ref: a0ba4c1f03a3f99fb17a9edf9b4448db49bb6c46
dir: /sys/src/libventi/scorefmt.c/
#include <u.h>
#include <libc.h>
#include <venti.h>
int
vtscorefmt(Fmt *f)
{
uchar *v;
int i;
v = va_arg(f->args, uchar*);
if(v == nil)
fmtprint(f, "*");
else
for(i = 0; i < VtScoreSize; i++)
fmtprint(f, "%2.2ux", v[i]);
return 0;
}