# pydoc > _testinternalcapi

---
type: CommandReference
command: _testinternalcapi
mode: pydoc
section: 
source: pydoc3
---

## Quick Reference
- `get_config()` — (no description)
- `get_configs()` — (no description)
- `get_recursion_depth()` — (no description)
- `set_config()` — (no description)
- `test_atomic_funcs()` — (no description)
- `test_bit_length()` — (no description)
- `test_bswap()` — (no description)
- `test_edit_cost()` — (no description)
- `test_hashtable()` — (no description)
- `test_popcount()` — (no description)

## Name
_testinternalcapi — internal testing only module for Python C API (implementation detail, may vary between Python versions)

## See Also
- [Python _testinternalcapi module documentation](https://docs.python.org/3.10/library/_testinternalcapi.html)

## Data
- `SIZEOF_PYGC_HEAD` = 16

## File
`/usr/lib/python3.10/lib-dynload/_testinternalcapi.cpython-310-x86_64-linux-gnu.so`