iscntrl()
Syntax:
#include <ctype.h> int iscntrl( int ch );
Description:
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()
