:orphan: # PetscSubcommGetChild Gets the communicator created by the `PetscSubcomm`. This is part of one of the subcommunicators created by the `PetscSubcomm` ## Synopsis ``` #include "petscsys.h" PetscErrorCode PetscSubcommGetChild(PetscSubcomm scomm, MPI_Comm *ccomm) ``` Collective ## Input Parameter - ***scomm -*** the `PetscSubcomm` ## Output Parameter - ***ccomm -*** location to store the child communicator ## See Also `PetscSubcommDestroy()`, `PetscSubcommSetTypeGeneral()`, `PetscSubcommSetFromOptions()`, `PetscSubcommSetType()`, `PetscSubcommSetNumber()`, `PetscSubcommGetParent()`, `PetscSubcommContiguousParent()` ## Level intermediate ## Location src/sys/objects/subcomm.c --- [Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/objects/subcomm.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)