update

1 files changed, 14 insertions, 0 deletions

diff --git a/libraries/euler/include/cstring b/libraries/euler/include/cstring
new file mode 100644
index 0000000..65d00dc
--- /dev/null
+++ b/libraries/euler/include/cstring
@@ -0,0 +1,14 @@
+#pragma once
+
+#include <cstddef>
+
+namespace std {
+
+  static inline size_t strlen(const char *str) {
+    size_t i = 0;
+    while (str[i])
+      ++i;
+    return i;
+  }
+
+}