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);
 
/* in segscan.l */
extern int  seg_yylex(void);
extern void seg_yyerror(SEG *result, struct Node *escontext,
                        const char *message);
extern void seg_scanner_init(const char *str);
extern void seg_scanner_finish(void);
 
/* in segparse.y */
extern int  seg_yyparse(SEG *result, struct Node *escontext);