diff --git a/src/kernel/io.h b/src/kernel/io.h
index 28af387..f251717 100644
--- a/src/kernel/io.h
+++ b/src/kernel/io.h
@@ -19,8 +19,11 @@
 uchar inb(ushort port);
 ushort inw(ushort port);
 
+/* Random string.h stuff, TODO: move to own header */
 void *memset(void *s, int c, size_t n);
 void *memcpy(void *dest, const void *src, size_t n);
+int strcmp(char *a, char *b);
+uint strlen(char *a);
 
 void io_wait();