--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/helpgen/readhelp.h	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,68 @@
+#ifndef READHELP_H_1181769468
+#define READHELP_H_1181769468
+
+typedef union {
+  long alignment;
+  char ag_vt_2[sizeof(int)];
+  char ag_vt_3[sizeof(long)];
+  char ag_vt_4[sizeof(const char *)];
+} readhelp_vs_type;
+
+typedef enum {
+  readhelp_letter_token = 1, readhelp_blanks_token = 3,
+  readhelp_blank_token, readhelp_eol_token, readhelp_text_token = 7,
+  readhelp_cr_token = 10, readhelp_nl_token = 12, readhelp_new_line_token,
+  readhelp_continue_token, readhelp_name_token = 17, readhelp_title_token,
+  readhelp_titles_token, readhelp_text_lines_token = 21,
+  readhelp_text_unit_token, readhelp_cross_reference_token = 25,
+  readhelp_cross_reference_text_token, readhelp_right_token,
+  readhelp_left_token, readhelp_block_body_token,
+  readhelp_blank_lines_token, readhelp_end_block_token,
+  readhelp_block_token = 33, readhelp_real_block_body_token = 35,
+  readhelp_file_token = 37, readhelp_blocks_token, readhelp_eof_token
+} readhelp_token_type;
+
+typedef struct readhelp_pcb_struct{
+  readhelp_token_type token_number, reduction_token, error_frame_token;
+  int input_code;
+  int input_value;
+  int line, column;
+  int ssx, sn, error_frame_ssx;
+  int drt, dssx, dsn;
+  int ss[128];
+  readhelp_vs_type vs[128];
+  int ag_ap;
+  const char *error_message;
+  char read_flag;
+  char exit_flag;
+  unsigned char * input_context;
+  unsigned char * cs[128];
+  int bts[128], btsx;
+  unsigned char * pointer;
+  unsigned char * la_ptr;
+  const unsigned char *key_sp;
+  int save_index, key_state;
+  char ag_msg[82];
+} readhelp_pcb_type;
+
+#ifndef PRULE_CONTEXT
+#define PRULE_CONTEXT(pcb)  (&((pcb).cs[(pcb).ssx]))
+#define PERROR_CONTEXT(pcb) ((pcb).cs[(pcb).error_frame_ssx])
+#define PCONTEXT(pcb)       ((pcb).cs[(pcb).ssx])
+#endif
+
+#ifndef AG_RUNNING_CODE
+/* PCB.exit_flag values */
+#define AG_RUNNING_CODE         0
+#define AG_SUCCESS_CODE         1
+#define AG_SYNTAX_ERROR_CODE    2
+#define AG_REDUCTION_ERROR_CODE 3
+#define AG_STACK_ERROR_CODE     4
+#define AG_SEMANTIC_ERROR_CODE  5
+#endif
+
+extern readhelp_pcb_type readhelp_pcb;
+void init_readhelp(void);
+void readhelp(void);
+#endif
+