# PetscHMapIV
Hash table map 
## Synopsis
```
typedef struct _PetscHashIV PetscHMapIV;
```

## Synopsis
```
typedef khash_t(HMapIV) *PetscHMapIV;
```




## See Also
 `PETSC_HASH_MAP()`, `PetscHMapIVCreate()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsc/private/generated_khash.h.html#PetscHMapIV">include/petsc/private/generated_khash.h</A>


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[Index of all PetscH routines](index.md)  
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