Index: uspace/lib/c/generic/stacktrace.c
===================================================================
--- uspace/lib/c/generic/stacktrace.c	(revision 8d2dd7f2d52fbc7693f94b66e451eeff3756d061)
+++ uspace/lib/c/generic/stacktrace.c	(revision 0247bd24eab20736d9bd6ad605a5fffbf6d4fc4c)
@@ -40,5 +40,5 @@
 #include <errno.h>
 
-static int stacktrace_read_uintptr(void *arg, uintptr_t addr, uintptr_t *data);
+static errno_t stacktrace_read_uintptr(void *arg, uintptr_t addr, uintptr_t *data);
 
 static stacktrace_ops_t basic_ops = {
@@ -51,5 +51,5 @@
 	stacktrace_t st;
 	uintptr_t nfp;
-	int rc;
+	errno_t rc;
 
 	st.op_arg = arg;
@@ -86,5 +86,5 @@
 }
 
-static int stacktrace_read_uintptr(void *arg, uintptr_t addr, uintptr_t *data)
+static errno_t stacktrace_read_uintptr(void *arg, uintptr_t addr, uintptr_t *data)
 {
 	(void) arg;