1. How do you know the memory hasn't been deallocated after the program is terminated?

2. What operating system?

3. What compiler?

4. Can you show us the code?


Regards,

Dave

my os is windows XP
compiler Turbo 3.0 ,boarland c++;

code like

You didn't answer Dave's first question:

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When you execute a program, the operating system allocates a certain amount of memory space to that program (for the executable operation codes, for the variables declared in the program and for other stuff, like stack space for calling functions, etc.). The operating system loads the program into some part of physical memory (of its own choosing) and maps the physical memory region into the virtual memory space of the program and then starts the program.

As long as the program is executing, it owns a certain amount of virtual memory. The operating system knows (and keeps track of) which processes (programs) are running, and what memory they have been granted.

When the program terminates (for whatever reason) the operating system reclaims the memory automatically.

That's what operating systems do.

Regards,

Dave

thanks mr dave

i did understand