Geografic-Information-System/raster/r.mode/read_stats.c

#include <stdlib.h>
#include <stdio.h>
#include <grass/gis.h>
#include <grass/glocale.h>

int read_stats(FILE * fd, long *cat1, long *cat2, double *value)
{
    char buf[1024];

    if (fgets(buf, sizeof buf, fd) == NULL)
	return 0;

    if (sscanf(buf, "%ld %ld %lf", cat1, cat2, value) != 3)
	G_fatal_error(_("reading r.stats output"));

    return 1;
}