Index: uspace/app/mkfat/mkfat.c
===================================================================
--- uspace/app/mkfat/mkfat.c	(revision fb6f1a5becf4ed481c7d009a226723cae1c82b9d)
+++ uspace/app/mkfat/mkfat.c	(revision a9bbe48d462ae3aeec82c9a5717ed1f4388d4c35)
@@ -45,4 +45,5 @@
 #include <byteorder.h>
 #include <sys/types.h>
+#include <sys/typefmt.h>
 #include <inttypes.h>
 #include <errno.h>
@@ -159,6 +160,6 @@
 		printf(NAME ": Warning, failed to obtain block device size.\n");
 	} else {
-		printf(NAME ": Block device has %" PRIu64 " blocks.\n",
-		    (uint64_t) dev_nblocks);
+		printf(NAME ": Block device has %" PRIuBN " blocks.\n",
+		    dev_nblocks);
 		cfg.total_sectors = dev_nblocks;
 	}
Index: uspace/app/taskdump/taskdump.c
===================================================================
--- uspace/app/taskdump/taskdump.c	(revision fb6f1a5becf4ed481c7d009a226723cae1c82b9d)
+++ uspace/app/taskdump/taskdump.c	(revision a9bbe48d462ae3aeec82c9a5717ed1f4388d4c35)
@@ -41,4 +41,6 @@
 #include <task.h>
 #include <kernel/mm/as.h>
+#include <sys/types.h>
+#include <sys/typefmt.h>
 #include <libarch/istate.h>
 #include <macros.h>
@@ -93,5 +95,5 @@
 	rc = connect_task(task_id);
 	if (rc < 0) {
-		printf("Failed connecting to task %lld.\n", task_id);
+		printf("Failed connecting to task %" PRIdTASKID ".\n", task_id);
 		return 1;
 	}
@@ -100,5 +102,5 @@
 	app_symtab = NULL;
 
-	printf("Dumping task '%s' (task ID %lld).\n", app_name, task_id);
+	printf("Dumping task '%s' (task ID %" PRIdTASKID ").\n", app_name, task_id);
 	autoload_syms();
 	putchar('\n');
@@ -134,5 +136,5 @@
 	if (rc < 0) {
 		printf("Error connecting\n");
-		printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
+		printf("ipc_connect_task(%" PRIdTASKID ") -> %d ", task_id, rc);
 		return rc;
 	}
Index: uspace/app/trace/ipcp.c
===================================================================
--- uspace/app/trace/ipcp.c	(revision fb6f1a5becf4ed481c7d009a226723cae1c82b9d)
+++ uspace/app/trace/ipcp.c	(revision a9bbe48d462ae3aeec82c9a5717ed1f4388d4c35)
@@ -36,4 +36,5 @@
 #include <stdlib.h>
 #include <adt/hash_table.h>
+#include <sys/typefmt.h>
 
 #include "ipc_desc.h"
@@ -200,8 +201,9 @@
 
 	if ((display_mask & DM_IPC) != 0) {
-		printf("Call ID: 0x%lx, phone: %d, proto: %s, method: ", hash,
+		printf("Call ID: %p, phone: %d, proto: %s, method: ", hash,
 			phone, (proto ? proto->name : "n/a"));
 		ipc_m_print(proto, IPC_GET_METHOD(*call));
-		printf(" args: (%lu, %lu, %lu, %lu, %lu)\n", args[1], args[2],
+		printf(" args: (%" PRIuIPCARG ", %" PRIuIPCARG ", %" PRIuIPCARG
+		    ", %" PRIuIPCARG ", %" PRIuIPCARG ")\n", args[1], args[2],
 		    args[3], args[4], args[5]);
 	}
@@ -279,8 +281,10 @@
 
 	if ((display_mask & DM_IPC) != 0) {
-		printf("Response to %p: retval=%ld, args = (%lu, %lu, %lu, %lu, %lu)\n",
-			hash, retval, IPC_GET_ARG1(*answer),
-			IPC_GET_ARG2(*answer), IPC_GET_ARG3(*answer),
-			IPC_GET_ARG4(*answer), IPC_GET_ARG5(*answer));
+		printf("Response to %p: retval=%ld, args = (%" PRIuIPCARG
+		    ", %" PRIuIPCARG ", %" PRIuIPCARG ", %" PRIuIPCARG
+		    ", %" PRIuIPCARG ")\n",
+		    hash, retval, IPC_GET_ARG1(*answer),
+		    IPC_GET_ARG2(*answer), IPC_GET_ARG3(*answer),
+		    IPC_GET_ARG4(*answer), IPC_GET_ARG5(*answer));
 	}
 
Index: uspace/app/trace/trace.c
===================================================================
--- uspace/app/trace/trace.c	(revision fb6f1a5becf4ed481c7d009a226723cae1c82b9d)
+++ uspace/app/trace/trace.c	(revision a9bbe48d462ae3aeec82c9a5717ed1f4388d4c35)
@@ -49,4 +49,6 @@
 #include <io/keycode.h>
 #include <fibril_synch.h>
+#include <sys/types.h>
+#include <sys/typefmt.h>
 
 #include <libc.h>
@@ -159,5 +161,5 @@
 	if (rc < 0) {
 		printf("Error connecting\n");
-		printf("ipc_connect_task(%lld) -> %d ", task_id, rc);
+		printf("ipc_connect_task(%" PRIdTASKID ") -> %d ", task_id, rc);
 		return rc;
 	}
@@ -275,7 +277,7 @@
 
 	putchar('(');
-	if (n > 0) printf("%ld", sc_args[0]);
+	if (n > 0) printf("%" PRIdSYSARG, sc_args[0]);
 	for (i = 1; i < n; i++) {
-		printf(", %ld", sc_args[i]);
+		printf(", %" PRIdSYSARG, sc_args[i]);
 	}
 	putchar(')');
@@ -972,9 +974,9 @@
 	rc = connect_task(task_id);
 	if (rc < 0) {
-		printf("Failed connecting to task %lld.\n", task_id);
+		printf("Failed connecting to task %" PRIdTASKID ".\n", task_id);
 		return 1;
 	}
 
-	printf("Connected to task %lld.\n", task_id);
+	printf("Connected to task %" PRIdTASKID ".\n", task_id);
 
 	if (task_ldr != NULL)