# #include guard

> construct in C and C++ for idempotent header inclusion

**Wikidata**: [Q580748](https://www.wikidata.org/wiki/Q580748)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Include_guard)  
**Source**: https://4ort.xyz/entity/include-guard


## References

1. Freebase Data Dumps. 2013