fusl/src/unistd/pwritev.c

#define _BSD_SOURCE
#include <sys/uio.h>
#include <unistd.h>
#include "syscall.h"
#include "libc.h"

ssize_t pwritev(int fd, const struct iovec* iov, int count, off_t ofs) {
  return syscall_cp(SYS_pwritev, fd, iov, count, (long)(ofs),
                    (long)(ofs >> 32));
}