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With file is everything ok. For me fscanf is curious, i dont get the result it gives.

Already done that for fscanf. Result is pretty interesting. In place of ints from (0,0),(2,0),(3,3),(0,2) I have 12665 in 2nd line is false result from if.

How to check return value of fopen ?

Command system("chcp 1250") is for Polish chars in console. I added it on Windows, but it didnt make any difference.

Any thoughts what is with this miserable fscanf? ;<

There are no errors. I can compile the code but after this, program simply doesn't work. Function fscanf loads strange values.


#include <stdio.h>
#include <math.h>


//po podaniu...

Hi. I wrote some code like this:


FILE * plik;


plik = fopen("plik.in", "r");
fscanf(plik, "(%d,%d),(%d,%d),(%d,%d),(%d,%d)", &ax,&ay,&bx,&by,&cx,&cy,&dx,&dy);
fclose(plik);