+
+NCURSES_EXPORT(char *)
+_nc_tracechar(SCREEN *sp, int ch)
+{
+ NCURSES_CONST char *name;
+ char *MyBuffer = ((sp != 0)
+ ? sp->tracechr_buf
+ : _nc_globals.tracechr_buf);
+
+ if (ch > KEY_MIN || ch < 0) {
+ name = safe_keyname(SP_PARM, ch);
+ if (name == 0 || *name == '\0')
+ name = "NULL";
+ (void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
+ } else if (!is8bits(ch) || !isprint(UChar(ch))) {
+ /*
+ * workaround for glibc bug:
+ * sprintf changes the result from unctrl() to an empty string if it
+ * does not correspond to a valid multibyte sequence.
+ */
+ (void) sprintf(MyBuffer, "%#03o", ch);
+ } else {
+ name = safe_unctrl(SP_PARM, (chtype) ch);
+ if (name == 0 || *name == 0)
+ name = "null"; /* shouldn't happen */
+ (void) sprintf(MyBuffer, "'%.30s' = %#03o", name, ch);
+ }
+ return (MyBuffer);
+}
+
+NCURSES_EXPORT(char *)
+_tracechar(int ch)