Geografic-Information-System/include/grass/defs/dig_atts.h

#include <stdio.h>

/*
   #define              WRITE_ATT_FORMAT        "%c  %12.2lf  %12.2lf  %8d"
   #define              WRITE_ATT_FORMAT        "%c %14.2lf %14.2lf %7d"
 */
#define		WRITE_ATT_FORMAT	"%c %14s %14s %10d"
#define FlSIZ 14
#define		READ_ATT_FORMAT		"%c %lf %lf %d"

/*  only types allowed in atts file 
 *      A - area, L - line, P - point
 */
#define		ATT_TYPES		"LAP"

/*      removed Jun 25 1991  dpg
   #define LINE 0
   #define AREA 1
   #define DOT 2
   #define DEAD_LINE 4
   #define DEAD_AREA 5
   #define DEAD_DOT 6
 */

struct attribute
{
    char type;
    double x;
    double y;
    int cat;
    long offset;
};


struct atts_index
{
    long *area_off;
    long *line_off;
    long *point_off;
    int area_alloc;
    int line_alloc;
    int point_alloc;
    int max_areas;
    int max_lines;
    int max_points;
    int max_atts;
};

int atts_init(FILE *, struct atts_index *);
int free_atts(struct atts_index *);
int read_area_att(FILE *, struct atts_index *, struct attribute *, int);
int read_line_att(FILE *, struct atts_index *, struct attribute *, int);
int read_att_struct(FILE *, struct attribute *);
int read_att(FILE *, char *, double *, double *, int *, long *);
int write_att(FILE *, char, double, double, int);
int write_att_struct(FILE *, struct attribute *);
int write_att_line(FILE *, double *, double *, int, int);