diff --git a/compat/msvc.h b/compat/msvc.h
index 53a6d30c025..9c753a560fc 100644
--- a/compat/msvc.h
+++ b/compat/msvc.h
@@ -10,6 +10,8 @@
 #define __inline__ __inline
 #define __attribute__(x)
 #define va_copy(dst, src)     ((dst) = (src))
+#define strncasecmp  _strnicmp
+#define ftruncate    _chsize
 
 static __inline int strcasecmp (const char *s1, const char *s2)
 {