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.
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.
