ape: add signed fixed size integer typedefs to u.h

diff --git a/sys/include/ape/u.h b/sys/include/ape/u.h
index 310379c086f3231b1f4a7a9b63db69cf0f995d0c..2cc85822cbde9ec88f86373cb620fdc3c4a39e39 100644 (file)
--- a/sys/include/ape/u.h
+++ b/sys/include/ape/u.h
@@ -20,5 +20,9 @@ typedef uchar u8int;
 typedef ushort u16int;
 typedef ulong  u32int;
 typedef uvlong u64int;
+typedef signed char    s8int;
+typedef signed short   s16int;
+typedef signed int     s32int;
+typedef signed long long       s64int;
 
 #endif