ref: 408f1beaa2f4ea5de1657cfdc4a9062aeeaeab07
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;
}