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# PetscCount
signed datatype used to represent counts 


## Notes
This is equivalent to `ptrdiff_t`, but defined for consistency with Fortran, which lacks a native equivalent of `ptrdiff_t`.

Use `PetscCount_FMT` to format with `PetscPrintf()`, `printf()`, and related functions.


## See Also
 `PetscInt`, `PetscInt64`, `PetscSizeT`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscsystypes.h.html#PetscCount">include/petscsystypes.h</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/snes/tutorials/ex55k.kokkos.cxx.html">src/snes/tutorials/ex55k.kokkos.cxx</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petscsystypes.h)


[Index of all Sys routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)  
