PETSc version 3.17.0
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# TaoLineSearchGetOptionsPrefix

Gets the prefix used for searching for all TaoLineSearch options in the database

### Synopsis

    #include "petsctaolinesearch.h"
    PetscErrorCode TaoLineSearchGetOptionsPrefix(TaoLineSearch ls, const char *p[])

Not Collective

### Input Parameters

| ls | - the TaoLineSearch context

### Output Parameters

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

### Notes

On the fortran side, the user should pass in a string 'prefix' of sufficient length to hold the prefix.

### See Also

TaoLineSearchSetOptionsPrefix(), TaoLineSearchAppendOptionsPrefix()

### Level

advanced

### Location

src/tao/linesearch/interface/taolinesearch.c
Index of all TaoLineSearch routines
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Index of all manual pages