# PetscMemmove

Copies n bytes, beginning at location b, to the space beginning at location a. Copying between regions that overlap will take place correctly.

### Synopsis

    #include "petsc.h"
    int PetscMemmove(void *a,void *b,int n)

Not Collective

### Input Parameters

| b | - pointer to initial memory space
| n | - length (in bytes) of space to copy

### Output Parameter

a -pointer to copy space

### Note

This routine is analogous to memmove().

Contributed by: Matthew Knepley

### See Also

PetscMemcpy()

Level:intermediate
Location: src/sys/src/utils/memc.c
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