segdata.h

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/*
 * contrib/seg/segdata.h
 */
typedef struct SEG
{
    float4      lower;
    float4      upper;
    char        l_sigd;
    char        u_sigd;
    char        l_ext;
    char        u_ext;
} SEG;
 
/* in seg.c */
extern int  significant_digits(const char *s);
 
/* for segscan.l and segparse.y */
union YYSTYPE;
#ifndef YY_TYPEDEF_YY_SCANNER_T
#define YY_TYPEDEF_YY_SCANNER_T
typedef void *yyscan_t;
#endif
 
/* in segscan.l */
extern int  seg_yylex(union YYSTYPE *yylval_param, yyscan_t yyscanner);
extern void seg_yyerror(SEG *result, struct Node *escontext,
                        yyscan_t yyscanner,
                        const char *message);
extern void seg_scanner_init(const char *str, yyscan_t *yyscannerp);
extern void seg_scanner_finish(yyscan_t yyscanner);
 
/* in segparse.y */
extern int  seg_yyparse(SEG *result, struct Node *escontext, yyscan_t yyscanner);