diff -r deb0035635eb -r d9abf53b8397 src/utils.c
--- a/src/utils.c	Fri May 11 17:40:16 2018 +0200
+++ b/src/utils.c	Fri May 11 18:13:54 2018 +0200
@@ -96,6 +96,12 @@
     return strncmp((const char*)s1, (const char*)s2, *((size_t*) n));
 }
 
+int ucx_sstrcmp(const void *s1, const void *s2, void *data) {
+    sstr_t a = *(const sstr_t*) s1;
+    sstr_t b = *(const sstr_t*) s2;
+    return sstrcmp(a, b);
+}
+
 int ucx_intcmp(const void *i1, const void *i2, void *data) {
    int a = *((const int*) i1);
    int b = *((const int*) i2);