:orphan:
# PetscSysInitializePackage
This function initializes everything in the system library portion of PETSc. It is called from `PetscDLLibraryRegister_petsc()` when using dynamic libraries, and in the call to `PetscInitialize()` when using shared or static libraries. 
## Synopsis
```
PetscErrorCode PetscSysInitializePackage(void)
```



## See Also
 `PetscSysFinalizePackage()`, `PetscInitialize()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/sys/classes/viewer/interface/dlregispetsc.c.html#PetscSysInitializePackage">src/sys/classes/viewer/interface/dlregispetsc.c</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/sys/classes/viewer/interface/dlregispetsc.c)


[Index of all Viewer routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)