ref: 7e2a5f4157fe70b29190781bc7b81f923d6de9b6
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;
}