}
iv->iov_base = mmap(NULL, iv->iov_len, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, 0, 0);
if (iv->iov_base == MAP_FAILED) {
printf("No memory %s\n", strerror(errno));
}
iv->iov_base = mmap(NULL, iv->iov_len, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANON, 0, 0);
if (iv->iov_base == MAP_FAILED) {
printf("No memory %s\n", strerror(errno));