:orphan:
# PETSC_VIEWER_STDOUT_
Creates a `PETSCVIEWERASCII` `PetscViewer` shared by all MPI processes in a communicator.
## Synopsis
```
#include "petscviewer.h"
PetscViewer PETSC_VIEWER_STDOUT_(MPI_Comm comm)
```
Collective
## Input Parameter
- ***comm -*** the MPI communicator to share the `PetscViewer`
## Note
Unlike almost all other PETSc routines, this does not return
an error code. Usually used in the form
```none
XXXView(XXX object, PETSC_VIEWER_STDOUT_(comm));
```
## See Also
[](sec_viewers), `PETSC_VIEWER_DRAW_()`, `PetscViewerASCIIOpen()`, `PETSC_VIEWER_STDERR_`, `PETSC_VIEWER_STDOUT_WORLD`,
`PETSC_VIEWER_STDOUT_SELF`
## Level
beginner
## Location
src/sys/classes/viewer/impls/ascii/vcreatea.c
## Examples
src/dm/field/tutorials/ex1.c
src/ksp/ksp/tutorials/ex73.c
---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/impls/ascii/vcreatea.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)