diff --git a/src/kstd/CString.cc b/src/kstd/CString.cc
new file mode 100644
index 0000000..8732f59
--- /dev/null
+++ b/src/kstd/CString.cc
@@ -0,0 +1,35 @@
+/* CString.cc
+ * vim: set tw=80:
+ * Eryn Wells <eryn@erynwells.me>
+ */
+/**
+ * Implementation of some utilities for dealing with C strings.
+ */
+
+#include "CString.hh"
+#include "ASCII.hh"
+
+namespace kstd {
+namespace CString {
+
+size_t
+length(char *str)
+{
+    char *end = str;
+    while (end++ != '\0') { }
+    return end - str;
+}
+
+
+void
+uppercase(char *str)
+{
+    for (char *p = str; *p != '\0'; p++) {
+        if (Char::isLower(*p)) {
+            *p = Char::toUpper(*p);
+        }
+    }
+}
+
+} /* namespace CString */
+} /* namespace kernel */
diff --git a/src/kstd/CString.hh b/src/kstd/CString.hh
new file mode 100644
index 0000000..79f6660
--- /dev/null
+++ b/src/kstd/CString.hh
@@ -0,0 +1,21 @@
+/* CString.hh
+ * vim: set tw=80:
+ * Eryn Wells <eryn@erynwells.me>
+ */
+/**
+ * Utilities for dealing with C strings.
+ */
+
+#include <stddef.h>
+
+namespace kstd {
+namespace CString {
+
+/** Find the length of a C string. */
+size_t length(char *str);
+
+/** Destructively convert an ASCII C String to uppercase. */
+void uppercase(char *str);
+
+} /* namespace CString */
+} /* namespace kstd */