# QEPGetOptionsPrefix

Gets the prefix used for searching for all QEP options in the database.

### Synopsis

    #include "slepcqep.h"
    PetscErrorCode QEPGetOptionsPrefix(QEP qep,const char *prefix[])

Not Collective

### Input Parameters

qep - the quadratic eigensolver 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

QEPSetOptionsPrefix(), QEPAppendOptionsPrefix()

Location: src/qep/interface/qepopts.c
Index of all QEP routines
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Index of all manual pages