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#include <unctrl.h>
#include "curses.h"
#include "ctype.h"
#include "stddef.h"
char * unctrl(chtype c)
{
static char buf[3];
char * ret = NULL;
int ch = c & A_CHARTEXT;
if (iscntrl(ch)) {
buf[0] = '^';
buf[1] = ch + 'A';
buf[2] = '\0';
ret = buf;
} else if (isprint(ch)) {
buf[0] = ch;
buf[1] = '\0';
ret = buf;
}
return ret;
}
/*
XOPEN(4)
LINK(curses)
*/
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