petsc-3.14.5 2021-03-03
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# PetscHMapTGetKeys

Get all keys from a hash table

### Synopsis

    #include <petsc/private/hashmap.h>
    PetscErrorCode PetscHMapTGetKeys(PetscHMapT ht,PetscInt *off,KeyType array[])

### Input Parameters

| ht | - The hash table
| off | - Input offset in array (usually zero)
| array | - Array where to put hash table keys into

### Output Parameter

| off | - Output offset in array (output offset = input offset + hash table size)
| array | - Array filled with the hash table keys

### See Also

PetscHSetTGetSize(), PetscHMapTGetVals()

### Level

developer

### Location

include/petsc/private/hashmap.h
Index of all Sys routines
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