< 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
This article is issued from Wikibooks. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.