:orphan:
# PetscRealloc
Reallocates memory 
## Synopsis
```
#include <petscsys.h>
PetscErrorCode PetscRealloc(size_t m,void **result)
```
Not Collective


## Input Parameters

- ***m -*** number of bytes to allocate
- ***result -*** previous memory



## Output Parameter

- ***result -*** new memory allocated





## Notes
Memory is always allocated at least double aligned


## See Also
 `PetscMalloc()`, `PetscFree()`, `PetscNew()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscsys.h.html#PetscRealloc">include/petscsys.h</A>


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