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Free allocated memory
#include <malloc.h>
int cfree( void *ptr );
- ptr
- A pointer to the block of memory that you want to free.
It's safe to call cfree() with a NULL pointer.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The cfree() function deallocates the memory block specified by
ptr, which was previously returned by a call to
calloc(),
malloc() or
realloc().
1
Unix
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
No |
Thread |
Yes |
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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