Include guard (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Include guard" in English language version.

refsWebsite

Global rank English rank

67^th place

64^th place

1,131^st place

850^th place

4,194^th place

3,676^th place

apple.com

developer.apple.com

"Objective C: Defining Classes". developer.apple.com. 2014-09-17. Retrieved 2018-10-03.

ibm.com

IBM Corporation (August 2017). Enterprise PL/I for z/OS PL/I for AIX Enterprise PL/I for z/OS Language Reference Version 5 Release 1 (PDF). p. 257. Retrieved Apr 7, 2022.

php.net

"include_once (PHP Language Reference)".