diff -r 56e6b5ccbf11 -r 35a421f441d5 libidav/webdav.h
--- a/libidav/webdav.h	Fri Jun 04 18:24:39 2021 +0200
+++ b/libidav/webdav.h	Fri Jun 04 18:24:55 2021 +0200
@@ -49,18 +49,21 @@
 #define FALSE 0
 #endif
 
-typedef struct DavContext    DavContext;
-typedef struct DavProxy      DavProxy;
-typedef struct DavSession    DavSession;
-typedef struct DavResource   DavResource;
-typedef struct DavResult     DavResult;
-typedef struct DavNamespace  DavNamespace;
-typedef struct DavProperty   DavProperty;
-typedef struct DavPropName   DavPropName;
-typedef struct DavKey        DavKey;
-typedef struct DavNSInfo     DavNSInfo;
-typedef struct DavXmlNode    DavXmlNode;
-typedef struct DavXmlAttr    DavXmlAttr;
+typedef struct DavContext      DavContext;
+typedef struct DavProxy        DavProxy;
+typedef struct DavSession      DavSession;
+typedef struct DavResource     DavResource;
+typedef struct DavResult       DavResult;
+typedef struct DavNamespace    DavNamespace;
+typedef struct DavProperty     DavProperty;
+typedef struct DavPropName     DavPropName;
+typedef struct DavKey          DavKey;
+typedef struct DavNSInfo       DavNSInfo;
+typedef struct DavXmlNode      DavXmlNode;
+typedef struct DavXmlAttr      DavXmlAttr;
+
+typedef struct DavInputStream  DavInputStream;
+typedef struct DavOutputStream DavOutputStream;
 
 typedef size_t(*dav_read_func)(void*, size_t, size_t, void*);
 typedef size_t(*dav_write_func)(const void*, size_t, size_t, void*);
@@ -335,6 +338,14 @@
 int dav_store(DavResource *res);
 int dav_get_content(DavResource *res, void *stream, dav_write_func write_func);
 
+DavInputStream* dav_inputstream_open(DavResource *res);
+size_t dav_read(void *buf, size_t size, size_t nitems, DavInputStream *in);
+void dav_inputstream_close(DavInputStream *in);
+
+DavOutputStream* dav_outputstream_open(DavResource *res);
+size_t dav_write(const void *buf, size_t size, size_t nitems, DavOutputStream *out);
+int dav_outputstream_close(DavOutputStream *out);
+
 // private
 int dav_propfind(DavSession *sn, DavResource *root, UcxBuffer *rqbuf);