Index: examples/io/cat.c
===================================================================
--- examples/io/cat.c	(revision 3a1cf0d89b0a0fbe660930944b99571fe047ae9b)
+++ examples/io/cat.c	(revision 3a1cf0d89b0a0fbe660930944b99571fe047ae9b)
@@ -0,0 +1,71 @@
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
+#include <fcntl.h>
+#include <liburing.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+struct io_uring ring;
+
+__attribute__((aligned(1024))) char data[1024];
+
+int main(int argc,  char * argv[]) {
+      if(argc != 2) {
+            printf("usage:   %s FILE - prints file to console.\n", argv[0]);
+            return 1;
+      }
+
+      int fd = open(argv[1], O_DIRECT);
+      if(fd < 0) {
+            printf("Could not open file %s.\n", argv[1]);
+            return 2;
+      }
+
+      /* prep the array */
+      struct iovec iov = { data, 1024 };
+
+      /* init liburing */
+      io_uring_queue_init(256, &ring, IORING_SETUP_IOPOLL);
+
+      /* declare required structs */
+      struct io_uring_sqe * sqe;
+      struct io_uring_cqe * cqe;
+
+      /* get an sqe and fill in a READV operation */
+      sqe = io_uring_get_sqe(&ring);
+      io_uring_prep_readv(sqe, fd, &iov, 1, 0);
+      // io_uring_prep_read(sqe, fd, data, 1024, 0);
+
+      sqe->user_data = (uint64_t)(uintptr_t)data;
+
+      /* tell the kernel we have an sqe ready for consumption */
+      io_uring_submit(&ring);
+
+      /* wait for the sqe to complete */
+      int ret = io_uring_wait_cqe(&ring, &cqe);
+
+      /* read and process cqe event */
+      if(ret == 0) {
+            char * out = (char *)(uintptr_t)cqe->user_data;
+            signed int len = cqe->res;
+            io_uring_cqe_seen(&ring, cqe);
+
+            if(len > 0) {
+                  printf("%.*s", len, out);
+            }
+            else if( len < 0 ) {
+                  fprintf(stderr, "readv/read returned error : %s\n", strerror(-len));
+            }
+      }
+      else {
+            printf("%d\n", ret);
+            io_uring_cqe_seen(&ring, cqe);
+      }
+
+      io_uring_queue_exit(&ring);
+
+      close(fd);
+}