// This code is Public Domain. Use, modify, and redistribute at will.
// ----------------------------------------------------------------------------
-size_t strxfrm( char * restrict s1, const char * restrict s2, size_t n ) { /* TODO */ };
+#include <__size_t.h>
+
+// TODO: Dummy function, no locale support yet.
+
+size_t strlen( const char * src );
+char * strncpy( char * restrict dest, const char * restrict src, size_t n );
+
+size_t strxfrm( char * restrict dest, const char * restrict src, size_t n )
+{
+ size_t len = strlen( src );
+ if ( len < n )
+ {
+ strncpy( dest, src, len );
+ }
+ return len;
+}