C++ Programming/Code/Standard C Library/Functions/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