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#include <malloc.h>int cfree( void *ptr );
NULL
pointer.libc
The cfree() function deallocates the memory block specified by ptr, which was previously returned by a call to calloc(), malloc() or realloc().
1
Unix
Calling cfree() on a pointer already deallocated by a call to cfree(), free(), or realloc() could corrupt the memory allocator's data structures.
alloca(), calloc(), free(), malloc(), realloc(), sbrk()
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