#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define BLOCK ((1 << 14) * sizeof(char))

main()
{
 FILE* file;
 char* text, temp;
 char mtr[13][80], tmp[80];
 int nelem=0;
 int i=0, j=0, k=0,n=0;

 /* qua apro file */

 text = (char *)malloc(BLOCK * sizeof(char));
 i = 0;
 while((nelem = fread(text + i * BLOCK, BLOCK, sizeof(char), &file)) == BLOCK)
  text=(char *)realloc(text, ++i * BLOCK * text);
 text[i * BLOCK + nelem] = '\0';