function in Graphics. h

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I’m trying to learn a little more from C/C++ libraries to do more things so I went after the Graphics library. and went after the most basic code I found, which was:

#include <graphics.h>

int main(){
    int gdriver = DETECT, gmode, errorcode;

    char *str = new char[30];
    strcpy(str, "d:\\tc\\bgi");
    initgraph(&gdriver,&gmode, str);

    arc(200, 200, 0, 130, 50);

    closegraph();

    return 0;
}

What happens is that the program compiled, opened, stopped responding without executing what I asked and closed

c c++

  • "without executing what I asked for"'? Try running the program in debug mode, instruction and instruction.

  • No, it doesn’t really run, I used system("PAUSE"); and it doesn’t even run the command, then I debugged in hand passing several lines as a comment and found that the error is in the initgraph function();

  • One remark: It is a good practice to initialize variables. What is the value of the variable gmode?

  • I understand it is, but like I said, I just copied what the guy did, for it worked and for me not.

1 answer

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I was having the same problem, even installing the graphics.h correctly, the code was compiled and a few seconds after it appeared, the console screen stopped responding out of nowhere, I discovered that the problem was the file "libbgi.a", try to download this and replace it in the folder "lib" compiler.

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