2 files changed, 19 insertions, 0 deletions
diff --git a/csync/src/std/c_string.c b/csync/src/std/c_string.c
index 9d2c087ec..f1ca5f747 100644
--- a/csync/src/std/c_string.c
+++ b/csync/src/std/c_string.c
@@ -134,6 +134,14 @@ static char *c_iconv(const char* str, enum iconv_direction dir)
 }
 #endif /* defined(HAVE_ICONV) && defined(WITH_ICONV) */
 
+int c_strncasecmp(const char *a, const char *b, size_t n) {
+#ifdef _WIN32
+    return _strnicmp(a, b, n);
+#else
+    return strncasecmp(a, b, n);
+#endif
+}
+
 int c_streq(const char *a, const char *b) {
   register const char *s1 = a;
   register const char *s2 = b;
diff --git a/csync/src/std/c_string.h b/csync/src/std/c_string.h
index d80727a63..920266c5c 100644
--- a/csync/src/std/c_string.h
+++ b/csync/src/std/c_string.h
@@ -60,6 +60,17 @@ struct c_strlist_s {
 };
 
 /**
+ * @brief Compare to strings case insensitively.
+ *
+ * @param a  First string to compare.
+ * @param b  Second string to compare.
+ * @param n  Max comparison length.
+ *
+ * @return see strncasecmp
+ */
+int c_strncasecmp(const char *a, const char *b, size_t n);
+
+/**
  * @brief Compare to strings if they are equal.
  *
  * @param a  First string to compare.