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#include <stdio.h>
#include <values.h>
#include <stdlib.h>
#include "fileutils.h"

void dearchive(FILE * f) {
    long nb;
    long * address;
    char fname[100];
    int i;
    FILE * f_out;
    
    fread(&nb, 4, 1, f);
    nb++;
    fprintf(stderr, "Reading index... (%li elements)\n", nb);
    
    address = (long *) malloc(nb * sizeof(long) + 1);
    
    for (i = 0; i < nb; i++) {
	fread(address + i, 4, 1, f);
    }
    address[nb] = MAXINT;
    
    for (i = 0; i < nb; i++) {
	fprintf(stderr, "Dumping file %i\n", i);
	sprintf(fname, "part-%i.lz", i);
	f_out = fopen(fname, "wb");
	copy(fileno(f), fileno(f_out), address[i + 1] - address[i]);
	fclose(f_out);
    }
    
    free(address);
}

int main(void) {
    dearchive(stdin);
}