PETSc version 3.16.5
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# PetscObjectGetOptionsPrefix

Gets the prefix of the PetscObject.

### Synopsis

    #include "petscsys.h"
    PetscErrorCode  PetscObjectGetOptionsPrefix(PetscObject obj,const char *prefix[])

### Input Parameters

| obj | - any PETSc object, for example a Vec, Mat or KSP.

### Output Parameters

| prefix | - pointer to the prefix string used is returned

### See Also

PetscOptionsCreate(), PetscOptionsDestroy(), PetscObjectSetOptionsPrefix(), PetscObjectAppendOptionsPrefix(), PetscObjectPrependOptionsPrefix(),
TSGetOptionsPrefix(), SNESGetOptionsPrefix(), KSPGetOptionsPrefix()

### Level

advanced

### Location

src/sys/objects/prefix.c

### Examples

src/snes/tutorials/ex56.c.html
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