:orphan:
# PetscStrtolower
Converts a string to lower case 
## Synopsis
```
static inline PetscErrorCode PetscStrtolower(char a[])
```
Not Collective, No Fortran Support


## Input Parameter

- ***a -*** pointer to string





## See Also
 `PetscStrtoupper()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petscstring.h.html#PetscStrtolower">include/petscstring.h</A>


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