2 files changed, 30 insertions, 0 deletions
diff --git a/src/lib/inc/def.h b/src/lib/inc/def.h
new file mode 100644
index 0000000..69b43e3
--- /dev/null
+++ b/src/lib/inc/def.h
@@ -0,0 +1,20 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef DEF_H
+#define DEF_H
+
+typedef signed char s8;
+typedef unsigned char u8;
+
+typedef signed short s16;
+typedef unsigned short u16;
+
+typedef signed int s32;
+typedef unsigned int u32;
+
+typedef signed long long s64;
+typedef unsigned long long u64;
+
+#define NULL ((void *)0)
+
+#endif
diff --git a/src/lib/inc/string.h b/src/lib/inc/string.h
new file mode 100644
index 0000000..c97fada
--- /dev/null
+++ b/src/lib/inc/string.h
@@ -0,0 +1,10 @@
+// MIT License, Copyright (c) 2020 Marvin Borner
+
+#ifndef STRING_H
+#define STRING_H
+
+#include <def.h>
+
+u32 strlen(const char *str);
+
+#endif