*: mass renaming of USE_XXXX to IF_XXXX
and SKIP_XXXX to IF_NOT_XXXX - the second one was especially
badly named. It was not skipping anything!

diff --git a/modutils/insmod.c b/modutils/insmod.c
index 90ed87a..c4fb927 100644
--- a/modutils/insmod.c
+++ b/modutils/insmod.c
@@ -24,7 +24,7 @@
 	 * or in $MODPATH.
 	 */
 
-	USE_FEATURE_2_4_MODULES(
+	IF_FEATURE_2_4_MODULES(
 		getopt32(argv, INSMOD_OPTS INSMOD_ARGS);
 		argv += optind - 1;
 	);
diff --git a/modutils/modprobe-small.c b/modutils/modprobe-small.c
index 6eb950f..3fd7bf5 100644
--- a/modutils/modprobe-small.c
+++ b/modutils/modprobe-small.c
@@ -679,7 +679,7 @@
 {
 	struct utsname uts;
 	char applet0 = applet_name[0];
-	USE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(char *options;)
+	IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(char *options;)
 
 	/* are we lsmod? -> just dump /proc/modules */
 	if ('l' == applet0) {
@@ -773,8 +773,8 @@
 		len = MAXINT(ssize_t);
 		map = xmalloc_xopen_read_close(*argv, &len);
 		if (init_module(map, len,
-			USE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(options ? options : "")
-			SKIP_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE("")
+			IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(options ? options : "")
+			IF_NOT_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE("")
 				) != 0)
 			bb_error_msg_and_die("can't insert '%s': %s",
 					*argv, moderror(errno));
@@ -791,7 +791,7 @@
 	} while (*argv);
 
 	if (ENABLE_FEATURE_CLEAN_UP) {
-		USE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(free(options);)
+		IF_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE(free(options);)
 	}
 	return EXIT_SUCCESS;
 }
diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index 218a898..3474964 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -33,7 +33,7 @@
 	llist_t *deps; /* strings. modules we depend on */
 };
 
-#define MODPROBE_OPTS  "acdlnrt:VC:" USE_FEATURE_MODPROBE_BLACKLIST("b")
+#define MODPROBE_OPTS  "acdlnrt:VC:" IF_FEATURE_MODPROBE_BLACKLIST("b")
 enum {
 	MODPROBE_OPT_INSERT_ALL	= (INSMOD_OPT_UNUSED << 0), /* a */
 	MODPROBE_OPT_DUMP_ONLY	= (INSMOD_OPT_UNUSED << 1), /* c */
diff --git a/modutils/modutils.h b/modutils/modutils.h
index 5104f1b..8cca5cc 100644
--- a/modutils/modutils.h
+++ b/modutils/modutils.h
@@ -26,10 +26,10 @@
 
 #define INSMOD_OPTS \
 	"vq" \
-	USE_FEATURE_2_4_MODULES("sLo:fkx") \
-	USE_FEATURE_INSMOD_LOAD_MAP("m")
+	IF_FEATURE_2_4_MODULES("sLo:fkx") \
+	IF_FEATURE_INSMOD_LOAD_MAP("m")
 
-#define INSMOD_ARGS USE_FEATURE_2_4_MODULES(, NULL)
+#define INSMOD_ARGS IF_FEATURE_2_4_MODULES(, NULL)
 
 enum {
 	INSMOD_OPT_VERBOSE	= 0x0001,