Initial data commit

Task/String-length/C/string-length-4.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+#include <wchar.h>
+
+int main(void)
+{
+   wchar_t *s = L"\x304A\x306F\x3088\x3046"; /* Japanese hiragana ohayou */
+   size_t length;
+
+   length = wcslen(s);
+   printf("Length in characters = %d\n", length);
+   printf("Length in bytes      = %d\n", sizeof(s) * sizeof(wchar_t));
+
+   return 0;
+}