diff --git a/mingw-w64-headers/include/sal.h b/mingw-w64-headers/include/sal.h
index a5ad938..de4938f 100644
--- a/mingw-w64-headers/include/sal.h
+++ b/mingw-w64-headers/include/sal.h
@@ -37,6 +37,29 @@
 #define _In_reads_to_ptr_z_(p)
 #define _In_reads_to_ptr_opt_z_(p)
 
+#define _In_count_(s)
+#define _In_opt_count_(s)
+#define _In_bytecount_(s)
+#define _In_opt_bytecount_(s)
+#define _In_count_c_(s)
+#define _In_opt_count_c_(s)
+#define _In_bytecount_c_(s)
+#define _In_opt_bytecount_c_(s)
+#define _In_z_count_(s)
+#define _In_opt_z_count_(s)
+#define _In_z_bytecount_(s)
+#define _In_opt_z_bytecount_(s)
+#define _In_z_count_c_(s)
+#define _In_opt_z_count_c_(s)
+#define _In_z_bytecount_c_(s)
+#define _In_opt_z_bytecount_c_(s)
+#define _In_ptrdiff_count_(s)
+#define _In_opt_ptrdiff_count_(s)
+#define _In_count_x_(s)
+#define _In_opt_count_x_(s)
+#define _In_bytecount_x_(s)
+#define _In_opt_bytecount_x_(s)
+
 /* Output parameters */
 #define _Out_
 #define _Out_opt_
@@ -59,6 +82,57 @@
 #define _Out_writes_to_ptr_z_(p)
 #define _Out_writes_to_ptr_opt_z_(p)
 
+#define _Out_cap_(s)
+#define _Out_opt_cap_(s)
+#define _Out_bytecap_(s)
+#define _Out_opt_bytecap_(s)
+#define _Out_cap_c_(s)
+#define _Out_opt_cap_c_(s)
+#define _Out_bytecap_c_(s)
+#define _Out_opt_bytecap_c_(s)
+#define _Out_cap_m_(m, s)
+#define _Out_opt_cap_m_(m, s)
+#define _Out_z_cap_m_(m, s)
+#define _Out_opt_z_cap_m_(m, s)
+#define _Out_ptrdiff_cap_(s)
+#define _Out_opt_ptrdiff_cap_(s)
+#define _Out_cap_x_(s)
+#define _Out_opt_cap_x_(s)
+#define _Out_bytecap_x_(s)
+#define _Out_opt_bytecap_x_(s)
+#define _Out_z_cap_(s)
+#define _Out_opt_z_cap_(s)
+#define _Out_z_bytecap_(s)
+#define _Out_opt_z_bytecap_(s)
+#define _Out_z_cap_c_(s)
+#define _Out_opt_z_cap_c_(s)
+#define _Out_z_bytecap_c_(s)
+#define _Out_opt_z_bytecap_c_(s)
+#define _Out_z_cap_x_(s)
+#define _Out_opt_z_cap_x_(s)
+#define _Out_z_bytecap_x_(s)
+#define _Out_opt_z_bytecap_x_(s)
+#define _Out_cap_post_count_(a, o)
+#define _Out_opt_cap_post_count_(a, o)
+#define _Out_bytecap_post_bytecount_(a, o)
+#define _Out_opt_bytecap_post_bytecount_(a, o)
+#define _Out_z_cap_post_count_(a, o)
+#define _Out_opt_z_cap_post_count_(a, o)
+#define _Out_z_bytecap_post_bytecount_(a, o)
+#define _Out_opt_z_bytecap_post_bytecount_(a, o)
+#define _Out_capcount_(c)
+#define _Out_opt_capcount_(c)
+#define _Out_bytecapcount_(c)
+#define _Out_opt_bytecapcount_(c)
+#define _Out_capcount_x_(c)
+#define _Out_opt_capcount_x_(c)
+#define _Out_bytecapcount_x_(c)
+#define _Out_opt_bytecapcount_x_(c)
+#define _Out_z_capcount_(c)
+#define _Out_opt_z_capcount_(c)
+#define _Out_z_bytecapcount_(c)
+#define _Out_opt_z_bytecapcount_(c)
+
 /* Inout parameters */
 #define _Inout_
 #define _Inout_opt_
@@ -79,6 +153,53 @@
 #define _Inout_updates_bytes_all_(s)
 #define _Inout_updates_bytes_all_opt_(s)
 
+#define _Inout_count_(s)
+#define _Inout_opt_count_(s)
+#define _Inout_bytecount_(s)
+#define _Inout_opt_bytecount_(s)
+#define _Inout_count_c_(s)
+#define _Inout_opt_count_c_(s)
+#define _Inout_bytecount_c_(s)
+#define _Inout_opt_bytecount_c_(s)
+#define _Inout_z_count_(s)
+#define _Inout_opt_z_count_(s)
+#define _Inout_z_bytecount_(s)
+#define _Inout_opt_z_bytecount_(s)
+#define _Inout_z_count_c_(s)
+#define _Inout_opt_z_count_c_(s)
+#define _Inout_z_bytecount_c_(s)
+#define _Inout_opt_z_bytecount_c_(s)
+#define _Inout_ptrdiff_count_(s)
+#define _Inout_opt_ptrdiff_count_(s)
+#define _Inout_count_x_(s)
+#define _Inout_opt_count_x_(s)
+#define _Inout_bytecount_x_(s)
+#define _Inout_opt_bytecount_x_(s)
+#define _Inout_cap_(s)
+#define _Inout_opt_cap_(s)
+#define _Inout_bytecap_(s)
+#define _Inout_opt_bytecap_(s)
+#define _Inout_cap_c_(s)
+#define _Inout_opt_cap_c_(s)
+#define _Inout_bytecap_c_(s)
+#define _Inout_opt_bytecap_c_(s)
+#define _Inout_cap_x_(s)
+#define _Inout_opt_cap_x_(s)
+#define _Inout_bytecap_x_(s)
+#define _Inout_opt_bytecap_x_(s)
+#define _Inout_z_cap_(s)
+#define _Inout_opt_z_cap_(s)
+#define _Inout_z_bytecap_(s)
+#define _Inout_opt_z_bytecap_(s)
+#define _Inout_z_cap_c_(s)
+#define _Inout_opt_z_cap_c_(s)
+#define _Inout_z_bytecap_c_(s)
+#define _Inout_opt_z_bytecap_c_(s)
+#define _Inout_z_cap_x_(s)
+#define _Inout_opt_z_cap_x_(s)
+#define _Inout_z_bytecap_x_(s)
+#define _Inout_opt_z_bytecap_x_(s)
+
 /* Pointer to pointer parameters */
 #define _Outptr_
 #define _Outptr_result_maybenull_