--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ezBAMQC/src/htslib/hfile_net.c	Thu Mar 24 17:12:52 2016 -0400
@@ -0,0 +1,99 @@
+/*  hfile_net.c -- network backend for low-level input/output streams.
+
+    Copyright (C) 2013-2014 Genome Research Ltd.
+
+    Author: John Marshall <jm18@sanger.ac.uk>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.  */
+
+#include <stdlib.h>
+#include <errno.h>
+
+#include "hfile_internal.h"
+
+#include "htslib/knetfile.h"
+
+typedef struct {
+    hFILE base;
+    knetFile *netfp;
+} hFILE_net;
+
+static int net_inited = 0;
+
+#ifdef _WIN32
+static void net_exit(void)
+{
+    knet_win32_destroy();
+}
+#endif
+
+static int net_init(void)
+{
+#ifdef _WIN32
+    if (knet_win32_init() != 0) return -1;
+
+    // In the unlikely event atexit() fails, it's better to succeed here and
+    // carry on and do the I/O; then eventually when the program exits, we'll
+    // merely have failed to clean up properly, as if we had aborted.
+    (void) atexit(net_exit);
+#endif
+
+    net_inited = 1;
+    return 0;
+}
+
+static ssize_t net_read(hFILE *fpv, void *buffer, size_t nbytes)
+{
+    hFILE_net *fp = (hFILE_net *) fpv;
+    return knet_read(fp->netfp, buffer, nbytes);
+}
+
+static off_t net_seek(hFILE *fpv, off_t offset, int whence)
+{
+    hFILE_net *fp = (hFILE_net *) fpv;
+    return knet_seek(fp->netfp, offset, whence);
+}
+
+static int net_close(hFILE *fpv)
+{
+    hFILE_net *fp = (hFILE_net *) fpv;
+    return knet_close(fp->netfp);
+}
+
+static const struct hFILE_backend net_backend =
+{
+    net_read, NULL, net_seek, NULL, net_close
+};
+
+hFILE *hopen_net(const char *filename, const char *mode)
+{
+    hFILE_net *fp;
+
+    // Do any networking initialisation if this is the first use.
+    if (! net_inited) { if (net_init() < 0) return NULL; }
+
+    fp = (hFILE_net *) hfile_init(sizeof (hFILE_net), mode, 0);
+    if (fp == NULL) return NULL;
+
+    fp->netfp = knet_open(filename, mode);
+    if (fp->netfp == NULL) { hfile_destroy((hFILE *) fp); return NULL; }
+
+    fp->base.backend = &net_backend;
+    return &fp->base;
+}