Use nil instead of 0 for pointers.

2 files changed, 9 insertions, 9 deletions

diff --git a/apps/unix/x11pdf.c b/apps/unix/x11pdf.c
index b8d7c267..28409c3f 100644
--- a/apps/unix/x11pdf.c
+++ b/apps/unix/x11pdf.c
@@ -178,9 +178,9 @@ void wincursor(pdfapp_t *app, int curs)
 void wintitle(pdfapp_t *app, char *s)
 {
 #ifdef X_HAVE_UTF8_STRING
-	Xutf8SetWMProperties(xdpy, xwin, s, s, 0, 0, 0, 0, 0);
+	Xutf8SetWMProperties(xdpy, xwin, s, s, nil, 0, nil, nil, nil);
 #else
-	XmbSetWMProperties(xdpy, xwin, s, s, 0, 0, 0, 0, 0);
+	XmbSetWMProperties(xdpy, xwin, s, s, nil, 0, nil, nil, nil);
 #endif
 }
 
@@ -473,9 +473,9 @@ static void winawaitevent(struct timeval *tmo, struct timeval *tmo_at)
 		FD_ZERO(&fds);
 		FD_SET(x11fd, &fds);
 
-		if (select(x11fd + 1, &fds, 0, 0, tmo))
+		if (select(x11fd + 1, &fds, nil, nil, tmo))
 		{
-			gettimeofday(&now, 0);
+			gettimeofday(&now, nil);
 			timersub(tmo_at, &now, tmo);
 			XNextEvent(xdpy, &xevt);
 		}
@@ -489,7 +489,7 @@ static void winsettmo(struct timeval *tmo, struct timeval *tmo_at)
 	tmo->tv_sec = 2;
 	tmo->tv_usec = 0;
 
-	gettimeofday(&now, 0);
+	gettimeofday(&now, nil);
 	timeradd(&now, tmo, tmo_at);
 }
 
@@ -584,7 +584,7 @@ int main(int argc, char **argv)
 			case KeyPress:
 				wasshowingpage = isshowingpage;
 
-				len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, 0);
+				len = XLookupString(&xevt.xkey, buf, sizeof buf, &keysym, nil);
 				if (len)
 					onkey(buf[0]);
 				onmouse(oldx, oldy, 0, 0, 0);
diff --git a/apps/unix/ximage.c b/apps/unix/ximage.c
index bdf245c7..cb776e29 100644
--- a/apps/unix/ximage.c
+++ b/apps/unix/ximage.c
@@ -113,7 +113,7 @@ createximage(Display *dpy, Visual *vis, XShmSegmentInfo *xsi, int depth, int w,
 		goto fallback;
 	}
 
-	img->data = xsi->shmaddr = shmat(xsi->shmid, 0, 0);
+	img->data = xsi->shmaddr = shmat(xsi->shmid, nil, 0);
 	if (img->data == (char*)-1)
 	{
 		XDestroyImage(img);
@@ -133,14 +133,14 @@ createximage(Display *dpy, Visual *vis, XShmSegmentInfo *xsi, int depth, int w,
 
 	XSync(dpy, False);
 
-	shmctl(xsi->shmid, IPC_RMID, 0);
+	shmctl(xsi->shmid, IPC_RMID, nil);
 
 	return img;
 
 fallback:
 	info.useshm = 0;
 
-	img = XCreateImage(dpy, vis, depth, ZPixmap, 0, 0, w, h, 32, 0);
+	img = XCreateImage(dpy, vis, depth, ZPixmap, 0, nil, w, h, 32, 0);
 	if (!img)
 	{
 		fprintf(stderr, "fail: could not XCreateImage");