:orphan:
# PetscViewerASCIIPopTab
Removes one tab from the amount that `PetscViewerASCIIPrintf()` lines are tabbed that was provided by `PetscViewerASCIIPushTab()` 
## Synopsis
```
#include "petscviewer.h" 
PetscErrorCode PetscViewerASCIIPopTab(PetscViewer viewer)
```
Not Collective, but only first MPI rank in the viewer has any effect; No Fortran Support


## Input Parameter

- ***viewer -*** obtained with `PetscViewerASCIIOpen()`





## See Also
 [](sec_viewers), `PetscPrintf()`, `PetscSynchronizedPrintf()`, `PetscViewerASCIIPrintf()`,
`PetscViewerASCIIPushTab()`, `PetscViewerASCIISynchronizedPrintf()`, `PetscViewerASCIIOpen()`,
`PetscViewerCreate()`, `PetscViewerDestroy()`, `PetscViewerSetType()`, `PetscViewerASCIIGetPointer()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/viewer/impls/ascii/filev.c.html#PetscViewerASCIIPopTab">src/sys/classes/viewer/impls/ascii/filev.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/label/tutorials/ex1.c.html">src/dm/label/tutorials/ex1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/label/tutorials/ex1f90.F90.html">src/dm/label/tutorials/ex1f90.F90</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/tao/constrained/tutorials/ex1.c.html">src/tao/constrained/tutorials/ex1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex14.c.html">src/ts/tutorials/ex14.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/is/sf/tutorials/ex1.c.html">src/vec/is/sf/tutorials/ex1.c</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/vec/vec/utils/tagger/tutorials/ex1.c.html">src/vec/vec/utils/tagger/tutorials/ex1.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/impls/ascii/filev.c)


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