diff -r 343bff4cc0b5 -r a3e63cb21e20 src/ucx/string.h
--- a/src/ucx/string.h	Tue May 29 10:02:55 2018 +0200
+++ b/src/ucx/string.h	Tue May 29 11:05:12 2018 +0200
@@ -52,17 +52,33 @@
 #include "allocator.h"
 #include <stddef.h>
 
-/** Shortcut for a <code>sstr_t struct</code> literal. */
-#define ST(s) { (char*)s, sizeof(s)-1 }
+/*
+ * Use this macro to disable the shortcuts if you experience macro collision.
+ */
+#ifndef UCX_NO_SSTR_SHORTCUTS
+/**
+ * Shortcut for a <code>sstr_t struct</code>
+ * or <code>scstr_t struct</code> literal.
+ */
+#define ST(s) { s, sizeof(s)-1 }
 
 /** Shortcut for the conversion of a C string to a <code>sstr_t</code>. */
-#define S(s) sstrn((char*)s, sizeof(s)-1)
+#define S(s) sstrn(s, sizeof(s)-1)
 
+/** Shortcut for the conversion of a C string to a <code>scstr_t</code>. */
+#define SC(s) scstrn(s, sizeof(s)-1)
+#endif /* UCX_NO_SSTR_SHORTCUTS */
+
+/*
+ * Use this macro to disable the format macros.
+ */
+#ifndef UCX_NO_SSTR_FORMAT_MACROS
 /** Expands a sstr_t or scstr_t to printf arguments. */
 #define SFMT(s) (int) (s).length, (s).ptr
 
 /** Format specifier for a sstr_t or scstr_t. */
 #define PRIsstr ".*s"
+#endif /* UCX_NO_SSTR_FORMAT_MACROS */
 
 #ifdef	__cplusplus
 extern "C" {