extern.h

#include "parser/keywords.h"
#include <errno.h>

/* variables */

extern int  braces_open;
extern char *yytext;
extern int	yylineno,
			yyleng;
extern FILE *yyin,
		   *yyout;

struct _include_path {  char * path;
                        struct _include_path * next;
                     };

extern struct _include_path *include_paths;

/* This is a linked list of the variable names and types. */
struct variable
{
    char * name;
    struct ECPGtype * type;
    int brace_level;
    struct variable * next;
};
                
extern struct ECPGtype ecpg_no_indicator;
extern struct variable no_indicator;

/* functions */

extern void lex_init(void);
extern char *input_filename;
extern int	yyparse(void);
extern void *mm_alloc(size_t), *mm_realloc(void *, size_t);
ScanKeyword * ScanECPGKeywordLookup(char *);
ScanKeyword * ScanCKeywordLookup(char *);
extern void yyerror(char *);

/* return codes */

#define OK		0
#define PARSE_ERROR	-1
#define ILLEGAL_OPTION	-2

#define NO_INCLUDE_FILE	ENOENT
#define OUT_OF_MEMORY	ENOMEM