ref: d376fac66cbd5efbe2f9f61a1e8b31af03a84a92
dir: /sys/src/libc/fmt/snprint.c/
#include <u.h>
#include <libc.h>
int
snprint(char *buf, int len, char *fmt, ...)
{
int n;
va_list args;
va_start(args, fmt);
n = vsnprint(buf, len, fmt, args);
va_end(args);
return n;
}