# PetscGetProgramName

Gets the name of the running program.

### Synopsis

    #include "petsc.h"
    PetscErrorCode PETSC_DLLEXPORT PetscGetProgramName(char name[],size_t len)

Not Collective

### Input Parameter

len -length of the string name

### Output Parameter

name -the name of the running program

### Notes

The name of the program is copied into the user-provided character array of length len. On some machines the program name includes its entire path, so one should generally set len >= PETSC_MAX_PATH_LEN.

Level:advanced
Location:src/sys/src/objects/options.c
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