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# PetscHMapIVGetSize
Get the number of entries in a hash table 
## Synopsis
```
#include <petsc/private/hashmapiv.h>
PetscErrorCode PetscHMapIVGetSize(PetscHMapIV ht, PetscInt *n)
```

## Input Parameter

- ***ht -*** The hash table



## Output Parameter

- ***n -*** The number of entries





## See Also
 `PetscHMapIVResize()`

## Level
developer

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


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