Implemented some basic libc functions and a text console

libc/string/strlen.c

@@ -0,0 +1,14 @@
+#include <socks/libc/string.h>
+
+size_t strlen(const char *str) {
+    if (!str) {
+        return 0;
+    }
+
+    size_t res = 0;
+    while (str[res]) {
+        res++;
+    }
+
+    return res;
+}