iscntrl [C++ Reference]
Keywords: c,string,iscntrl
Date: 2008-10-14T15:42:02-0700

[[iscntrl]]
C++ Reference
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## iscntrl

Syntax:

        #include <cctype>
        int iscntrl( int ch );

The iscntrl() function returns non-zero if its argument is a control character (between 0 and 0x1F or equal to 0x7F). Otherwise, zero is returned.

Related Topics: isalnum, isalpha, isdigit, isgraph, isprint, ispunct, isspace, isxdigit

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