diff -r ebfc6a2902f7 -r e0f850709a5c test/utils_tests.c
--- a/test/utils_tests.c	Wed Sep 07 11:32:22 2016 +0200
+++ b/test/utils_tests.c	Wed Sep 07 12:26:01 2016 +0200
@@ -102,7 +102,9 @@
     UCX_TEST_ASSERT(b1->size == 16, "failed to fill buffer b1");
     ucx_buffer_seek(b1, 0, SEEK_SET);
     
-    size_t ncp = ucx_stream_hcopy(b1, b2, ucx_buffer_read, ucx_buffer_write);
+    char copybuf[256];
+    size_t ncp = ucx_stream_bcopy(b1, b2, ucx_buffer_read, ucx_buffer_write,
+            copybuf, sizeof(copybuf));
     UCX_TEST_ASSERT(ncp == 16, "wrong number of copied bytes");
     UCX_TEST_ASSERT(b2->size == 16, "b2 has wrong size");
     UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,
@@ -116,12 +118,12 @@
     FILE *file = tmpfile();
     UCX_TEST_ASSERT(file, "test file cannot be opened, test aborted");
     
-    ncp = ucx_stream_hcopy(b1, file, ucx_buffer_read, fwrite);
+    ncp = ucx_stream_copy(b1, file, ucx_buffer_read, fwrite);
     UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes to file");
     
     fseek(file, 0, SEEK_SET);
     
-    ncp = ucx_stream_hcopy(file, b2, fread, ucx_buffer_write);
+    ncp = ucx_stream_copy(file, b2, fread, ucx_buffer_write);
     UCX_TEST_ASSERT(ncp == 16, "copied wrong number of bytes from file");
     
     UCX_TEST_ASSERT(memcmp(b1->space, b2->space, 16) == 0,