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GDN:touppper

 

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If c is a lower-case letter, toupper returns the corresponding upper-case letter. Otherwise c is returned unchanged.


Contents

Prototype

<source lang="c">int toupper (int c)</source>

GDN:touppper
Header stdio.h
Supported Since C90
Retrieved from "https://libreplanet.org/wiki?title=GDN:touppper&oldid=34024" 


















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