## iscntrl

    Locale Convenience Function

- Summary
- Data Type and Member Function Indexes
- Synopsis
- Description
- See Also

### Summary

Determines if a character is a control character.

### Data Type and Member Function Indexes
(exclusive of constructors and destructors)

None

### Synopsis

    #include <locale>

    template <class charT>
    bool iscntrl (charT c, const locale& loc) const;

### Description

The iscntrl function returns `true` if the character passed as a parameter is a control character. Otherwise the function returns `false`. The check is made using the `ctype` facet from the locale parameter.

### See Also

other is functions, locale, ctype

Copyright (c) 1998, Rogue Wave Software, Inc.
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OEM Release, June 1998