ref: 4f5465e4779e30fa99e1e4856f9d81524e02a8df
dir: /sys/src/libc/fmt/runesprint.c/
#include <u.h>
#include <libc.h>
int
runesprint(Rune *buf, char *fmt, ...)
{
int n;
va_list args;
va_start(args, fmt);
n = runevsnprint(buf, 256, fmt, args);
va_end(args);
return n;
}