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# PCCompositeGetNumberPC
Gets the number of `PC` objects in the composite `PC`. 
## Synopsis
```
#include "petscksp.h" 
PetscErrorCode PCCompositeGetNumberPC(PC pc, PetscInt *num)
```
Not Collective


## Input Parameter

- ***pc -*** the preconditioner context



## Output Parameter

- ***num -*** the number of sub pcs





## See Also
 `PCCOMPOSITE`, `PCCompositeGetPC()`, `PCCompositeAddPC()`, `PCCompositeAddPCType()`

## Level
Developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/composite/composite.c.html#PCCompositeGetNumberPC">src/ksp/pc/impls/composite/composite.c</A>

## Implementations

<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ksp/pc/impls/composite/composite.c.html#PCCompositeGetNumberPC_Composite">PCCompositeGetNumberPC_Composite in src/ksp/pc/impls/composite/composite.c</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/ksp/pc/impls/composite/composite.c)


[Index of all PC routines](index.md)  
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[Index of all manual pages](/manualpages/singleindex.md)