PETSc version 3.16.5
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# PetscObjectSetFortranCallback

set fortran callback function pointer and context

### Synopsis

    #include "petscsys.h"
    PetscErrorCode PetscObjectSetFortranCallback(PetscObject obj,PetscFortranCallbackType cbtype,PetscFortranCallbackId *cid,void (*func)(void),void *ctx)

Logically Collective

### Input Parameters

| obj | - object on which to set callback
| cbtype | - callback type (class or subtype)
| cid | - address of callback Id, updated if not yet initialized (zero)
| func | - Fortran function
| ctx | - Fortran context

### See Also

PetscObjectGetFortranCallback()

### Level

developer

### Location

src/sys/objects/inherit.c
Index of all Sys routines
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