#include "gcc-plugin.h"
struct attribute_spec;
-struct diagnostic_context;
extern void add_new_plugin (const char *);
extern void parse_plugin_arg_opt (const char *);
extern void dump_active_plugins (FILE *);
extern void debug_active_plugins (void);
extern void warn_if_plugins (void);
-extern void plugins_internal_error_function (struct diagnostic_context *,
+extern void plugins_internal_error_function (diagnostic_context *,
const char *, va_list *);
extern void print_plugins_versions (FILE *file, const char *indent);
extern void print_plugins_help (FILE *file, const char *indent);