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Re:
I need urgent help in my project as i am getting exception 13 error & that also at such a crucial time when i have to submit the project day after tomorrow...please help and tell the mistakes and their will be some mistakes. the source code is as follows: #include<fstream.h> … |
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I was looking at some sample code [here](http://www.kernel.org/doc/man-pages/online/pages/man2/mmap.2.html) and it had this for error handling: #define handle_error(msg) \ do { perror(msg); exit(EXIT_FAILURE); } while (0) If I remember correctly do {} while (0) would execute only once, so what is the point of this? |