+#include "value.h"
+#include "macroexp.h"
+#include "parser-defs.h"
+#include "common/enum-flags.h"
+
+
+/* The various kinds of C string and character. Note that these
+ values are chosen so that they may be or'd together in certain
+ ways. */
+enum c_string_type_values
+ {
+ /* An ordinary string: "value". */
+ C_STRING = 0,
+ /* A wide string: L"value". */
+ C_WIDE_STRING = 1,
+ /* A 16-bit Unicode string: u"value". */
+ C_STRING_16 = 2,
+ /* A 32-bit Unicode string: U"value". */
+ C_STRING_32 = 3,
+ /* An ordinary char: 'v'. This can also be or'd with one of the
+ above to form the corresponding CHAR value from a STRING
+ value. */
+ C_CHAR = 4,
+ /* A wide char: L'v'. */
+ C_WIDE_CHAR = 5,
+ /* A 16-bit Unicode char: u'v'. */
+ C_CHAR_16 = 6,
+ /* A 32-bit Unicode char: U'v'. */
+ C_CHAR_32 = 7
+ };
+
+DEF_ENUM_FLAGS_TYPE (enum c_string_type_values, c_string_type);
+
+/* Defined in c-exp.y. */
+
+extern int c_parse (struct parser_state *);
+
+extern void c_yyerror (const char *);
+
+extern int c_parse_escape (const char **, struct obstack *);