C / C++ / MFC

includeh10 wrote:

This struct and many others have been redefined for many times by many programmers, people have their own reasons to redefine them, I suggest you do not tell them what you said as quoted sentence.

Richard MacCutchan wrote:

Once again you seem to be losing the plot here. If you have a problem with your code then show what you have tried, explain the problem, including any error messages, and people will try to help you. But don't start being abusive just because you don't get the answer you think is due to you.

includeh10 wrote:

Is my post clear?

Tim Craig wrote:

...while most of your posts fall into the belligerent a**hole category.

includeh10 wrote:

answer question if you can, or leave it.

Richard MacCutchan wrote:

Once again you seem to be losing the plot here. If you have a problem with your code then show what you have tried, explain the problem, including any error messages

includeh10 wrote:

Is "plot here" only "any error messages"?

includeh10 wrote:

I s my post a C++ question?

includeh10 wrote:

Try to find any replies related to the topic you posted then create your personal policies for public.

Hans Dietrich wrote:

Richard, your patience is awesome.

includeh10 wrote:

how do you get a feeling of "wrong way"?

includeh10 wrote:

typedef struct _ABC
{
//....
}ABC;

how to undef ABC here?

Dengjin_CN wrote:

what's the difference?

#include<stdlib.h>

#include<stdio.h>
#define MAX 1024

int main(int argc,int **argv){
	
	FILE *fsource,*fdest;
	size_t in;
	int buf[MAX];
        char c = 'n';
	fsource = fopen("F:\\a.jpg.rar","rb");
        //-----------Check if file exists---------
        fdest = fopen("D:\\a.jpg","r");
        if(fdest!=NULL){
           fclose(fdest);
           printf("Destination file already exists, do you want to overwrite?\t");
           scanf("%c",&c);
           if(c!='Y' && c!='y'){
                fclose(fSource);
                return 1;
           }  
        }
        //---------------------------------------
	fdest = fopen("D:\\a.jpg","wb");
	if(fsource == NULL || fdest == NULL)
		perror("open error");
	
	while((in = fread(buf,sizeof(int),MAX,fsource)) != 0){
		fwrite(buf,sizeof(int),in,fdest);
		fflush(fdest);
	}
	
	fclose(fsource);
	fclose(fdest);
	
	return EXIT_SUCCESS;
}