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-rw-r--r--kernel/string.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/string.c b/kernel/string.c
new file mode 100644
index 0000000..d038c27
--- /dev/null
+++ b/kernel/string.c
@@ -0,0 +1,9 @@
+#include "string.h"
+
+size_t strlen(const char *str)
+{
+ size_t len = 0;
+ while(str[len])
+ len++;
+ return len;
+}