msvcrt: Added sprintf_p_l implementation.
diff --git a/include/msvcrt/crtdefs.h b/include/msvcrt/crtdefs.h
index 5232e80..9685a99 100644
--- a/include/msvcrt/crtdefs.h
+++ b/include/msvcrt/crtdefs.h
@@ -97,6 +97,8 @@
 # endif
 #endif
 
+#define _ARGMAX 100
+
 #ifndef _MSVCRT_LONG_DEFINED
 #define _MSVCRT_LONG_DEFINED
 /* we need 32-bit longs even on 64-bit */