I have a struct which you see below: typ开发者_开发问答edef struct _List { Person *person; // pointer for people list
I have a function that makes a structure and returns the new structure itself. The structure contains an array of numbers and an integer showing how many numbers there are(this works like an array).
This question already has answers here: Closed 12 years ago. Possible Duplicate: How malloc() and free() work
I have two s开发者_Go百科tructures struct SimpleXY { double x; double y; }; struct SimpleXyLink { int num_xy;
I\'m redefining memory functions in C and I wonder if this idea could work as implementation for the free() function:
It has been my observation that if free( ptr ) is called where ptr is not a valid pointer to system-allocated memory, an access violation occurs.Let\'s say that I call free like this:
I\'m quite new to the whole field of GIS, and I\'m about to make a small program that essentially overlays GPS tracks on a map together with some other annotations. I primarily need to allow scanned (
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This question already has answers here: Closed 12 years ago. Possible Duplicate: C programming : How does free know how much to free?
In C (or C++) I\'m wondering if it\'s possible to partially deallocate a block of memory. For example, suppose we create an array of integers a of size 100,