diff -r 2ccb9f881420 -r 3eeadf666d6b src/cx/string.h
--- a/src/cx/string.h	Mon Feb 20 19:14:42 2023 +0100
+++ b/src/cx/string.h	Mon Feb 20 19:55:42 2023 +0100
@@ -657,6 +657,38 @@
         cxstring s2
 );
 
+/**
+ * Compares two strings.
+ *
+ * This function has a compatible signature for the use as a CxListComparator.
+ *
+ * @param s1 the first string
+ * @param s2 the second string
+ * @return negative if \p s1 is smaller than \p s2, positive if \p s1 is larger
+ * than \p s2, zero if both strings equal
+ */
+__attribute__((__warn_unused_result__, __nonnull__))
+int cx_strcmp_p(
+        void const *s1,
+        void const *s2
+);
+
+/**
+ * Compares two strings ignoring case.
+ *
+ * This function has a compatible signature for the use as a CxListComparator.
+ *
+ * @param s1 the first string
+ * @param s2 the second string
+ * @return negative if \p s1 is smaller than \p s2, positive if \p s1 is larger
+ * than \p s2, zero if both strings equal ignoring case
+ */
+__attribute__((__warn_unused_result__, __nonnull__))
+int cx_strcasecmp_p(
+        void const *s1,
+        void const *s2
+);
+
 
 /**
  * Creates a duplicate of the specified string.