unctrl(3X)
CURSES
NAME
unctrl — generate printable representation of a character
SYNOPSIS
#include <unctrl.h>
char *unctrl(chtype c);
DESCRIPTION
The unctrl() function generates a character string that is a printable representation of c. If c is a control character, it is converted to the ^X notation. If c contains rendition information, the effect is undefined.
RETURN VALUE
Upon successful completion, unctrl() returns the generated string. Otherwise, it returns a null pointer.
ERRORS
No errors are defined.
SEE ALSO
keyname(), wunctrl(), <unctrl.h>.
CHANGE HISTORY
First released in X/Open Curses, Issue 2.
X/Open Curses, Issue 4
The entry is rewritten for clarity. The RETURN VALUE section now states that the function may return a null pointer. This condition was not specified in previous issues.
Hewlett-Packard Company — HP-UX Release 10.20: July 1996