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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
src/ksp/pc/impls/composite/composite.c
## Implementations
PCCompositeGetNumberPC_Composite in src/ksp/pc/impls/composite/composite.c
---
[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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