make regoff_t and regex_t match C++ ABI
for regoff_t, it's impossible to match on 64-bit archs because glibc
defined the type in a non-conforming way. however this change makes
the type match on 32-bit archs.
diff --git a/include/regex.h b/include/regex.h
index ea9b894..dce2177 100644
--- a/include/regex.h
+++ b/include/regex.h
@@ -7,13 +7,12 @@
#include <features.h>
+#define __NEED_regoff_t
#define __NEED_size_t
#include <bits/alltypes.h>
-typedef long regoff_t;
-
-typedef struct {
+typedef struct re_pattern_buffer {
size_t re_nsub;
void *__opaque, *__padding[4];
size_t __nsub2;