1ff2e18ba5e50dd2d1becd3cd6a25343578c10b8
markd
  Tue Apr 21 14:09:04 2026 -0700
rework of htslib/UDC integration to use htslib hfile driver mechanism

diff --git src/inc/hfileUdc.h src/inc/hfileUdc.h
new file mode 100644
index 00000000000..e2fd8bc6bcc
--- /dev/null
+++ src/inc/hfileUdc.h
@@ -0,0 +1,11 @@
+/* hfileUdc -- hfile backend that routes HTTP/HTTPS/FTP through UDC.
+ * Replaces legacy knetUdc.c / knetfile hook approach. */
+
+#ifndef HFILEUDC_H
+#define HFILEUDC_H
+
+void hfileUdcInstall();
+/* Install UDC as the hfile backend for HTTP/HTTPS/FTP URLs.
+ * Call once at startup; replaces legacy knetUdcInstall(). */
+
+#endif /* HFILEUDC_H */
\ No newline at end of file