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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);
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