# PetscOptionsGetInt

Gets the integer value for a particular option in the database.

### Synopsis

    #include "petsc.h"
    PetscErrorCode PETSC_DLLEXPORT PetscOptionsGetInt(const char pre[],const char name[],PetscInt *ivalue,PetscTruth *flg)

Not Collective

### Input Parameters

| pre | - the string to prepend to the name or PETSC_NULL
| name | - the option one is seeking

### Output Parameter

| ivalue | - the integer value to return
| flg | - PETSC_TRUE if found, else PETSC_FALSE

### C++ variants

| PetscOptionsGetInt(const char b[],PetscInt *i,PetscTruth *f) |  | -> |  | PetscOptionsGetInt(PETSC_NULL,b,i,f)

### See Also

PetscOptionsGetReal(), PetscOptionsHasName(), PetscOptionsGetString(),
PetscOptionsGetIntArray(), PetscOptionsGetRealArray(), PetscOptionsTruth() PetscOptionsInt(), PetscOptionsString(), PetscOptionsReal(), PetscOptionsTruth(), PetscOptionsName(), PetscOptionsBegin(), PetscOptionsEnd(), PetscOptionsHead(), PetscOptionsStringArray(),PetscOptionsRealArray(), PetscOptionsScalar(), PetscOptionsTruthGroupBegin(), PetscOptionsTruthGroup(), PetscOptionsTruthGroupEnd(), PetscOptionsList(), PetscOptionsEList()

Level:beginner
Location:src/sys/src/objects/options.c
Index of all Sys routines
Table of Contents for all manual pages
Index of all manual pages

### Examples

src/vec/examples/tutorials/ex1.c.html
src/vec/examples/tutorials/ex1e.c.html
src/vec/examples/tutorials/ex3.c.html
src/vec/examples/tutorials/ex5.c.html
src/vec/examples/tutorials/ex6.c.html
src/vec/examples/tutorials/ex10.c.html
src/vec/examples/tutorials/ex11.c.html
src/vec/examples/tutorials/ex12.c.html
src/vec/examples/tutorials/ex16.c.html
src/vec/examples/tutorials/ex1f.F.html
src/vec/examples/tutorials/ex3f.F.html