:orphan:
# PetscObjectGetFortranCallback
get fortran callback function pointer and context 
## Synopsis
```
#include "petscsys.h"    
PetscErrorCode PetscObjectGetFortranCallback(PetscObject obj, PetscFortranCallbackType cbtype, PetscFortranCallbackId cid, void (**func)(void), void **ctx)
```
Logically Collective


## Input Parameters

- ***obj -*** object on which to get callback
- ***cbtype -*** callback type
- ***cid -*** address of callback Id



## Output Parameters

- ***func -*** Fortran function (or `NULL` if not needed)
- ***ctx -*** Fortran context (or `NULL` if not needed)





## Note
This is used to help manage user callback functions that were provided in Fortran


## See Also
 `PetscObjectSetFortranCallback()`, `PetscObjectGetFortranCallback()`, `PetscFortranCallbackRegister()`, `PetscFortranCallbackGetSizes()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/objects/inherit.c.html#PetscObjectGetFortranCallback">src/sys/objects/inherit.c</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/objects/inherit.c)


[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)