ref: 41fb60c4bc05b9e85c2e4495e15a9b17ba3e8ada
dir: /sys/src/libc/fmt/fprint.c/
#include <u.h>
#include <libc.h>
int
fprint(int fd, char *fmt, ...)
{
int n;
va_list args;
va_start(args, fmt);
n = vfprint(fd, fmt, args);
va_end(args);
return n;
}