rename functions to more understandable names
diff --git a/coreutils/tee.c b/coreutils/tee.c
index f0e1fad..06c94ab 100644
--- a/coreutils/tee.c
+++ b/coreutils/tee.c
@@ -49,7 +49,7 @@
 	goto GOT_NEW_FILE;
 
 	do {
-		if ((*p = bb_wfopen(*argv, mode)) == NULL) {
+		if ((*p = fopen_or_warn(*argv, mode)) == NULL) {
 			retval = EXIT_FAILURE;
 			continue;
 		}