Remove `== TRUE' tests and convert `!= TRUE' and `== FALSE' tests to use !.
diff --git a/coreutils/cat.c b/coreutils/cat.c
index 820b634..33f15da 100644
--- a/coreutils/cat.c
+++ b/coreutils/cat.c
@@ -37,7 +37,7 @@
 	while (--argc > 0) {
 		if(!(strcmp(*++argv, "-"))) {
 			print_file(stdin);
-		} else if (print_file_by_name(*argv) == FALSE) {
+		} else if (! print_file_by_name(*argv)) {
 			status = EXIT_FAILURE;
 		}
 	}