4 files changed, 12 insertions, 12 deletions
diff --git a/xregex.h b/xregex.h
index 63cd120..b2f56a5 100644
--- a/xregex.h
+++ b/xregex.h
@@ -15,8 +15,8 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.           *
  ****************************************************************************/
 
-#ifndef BFS_REGEX_H
-#define BFS_REGEX_H
+#ifndef BFS_XREGEX_H
+#define BFS_XREGEX_H
 
 /**
  * A compiled regular expression.
@@ -94,4 +94,4 @@ void bfs_regfree(struct bfs_regex *regex);
  */
 char *bfs_regerror(const struct bfs_regex *regex);
 
-#endif // BFS_REGEX_H
+#endif // BFS_XREGEX_H
diff --git a/xspawn.h b/xspawn.h
index 0dd9d61..cd6a42e 100644
--- a/xspawn.h
+++ b/xspawn.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  * bfs                                                                      *
- * Copyright (C) 2018-2019 Tavian Barnes <tavianator@tavianator.com>        *
+ * Copyright (C) 2018-2022 Tavian Barnes <tavianator@tavianator.com>        *
  *                                                                          *
  * Permission to use, copy, modify, and/or distribute this software for any *
  * purpose with or without fee is hereby granted.                           *
@@ -18,8 +18,8 @@
  * A process-spawning library inspired by posix_spawn().
  */
 
-#ifndef BFS_SPAWN_H
-#define BFS_SPAWN_H
+#ifndef BFS_XSPAWN_H
+#define BFS_XSPAWN_H
 
 #include <sys/resource.h>
 #include <sys/types.h>
@@ -120,4 +120,4 @@ pid_t bfs_spawn(const char *exe, const struct bfs_spawn *ctx, char **argv, char
  */
 char *bfs_spawn_resolve(const char *exe);
 
-#endif // BFS_SPAWN_H
+#endif // BFS_XSPAWN_H
diff --git a/xtime.c b/xtime.c
index b83bf20..8ca963b 100644
--- a/xtime.c
+++ b/xtime.c
@@ -1,6 +1,6 @@
 /****************************************************************************
  * bfs                                                                      *
- * Copyright (C) 2020 Tavian Barnes <tavianator@tavianator.com>             *
+ * Copyright (C) 2020-2022 Tavian Barnes <tavianator@tavianator.com>        *
  *                                                                          *
  * Permission to use, copy, modify, and/or distribute this software for any *
  * purpose with or without fee is hereby granted.                           *
diff --git a/xtime.h b/xtime.h
index 0f9adb4..ceff48f 100644
--- a/xtime.h
+++ b/xtime.h
@@ -1,6 +1,6 @@
 /****************************************************************************
  * bfs                                                                      *
- * Copyright (C) 2020 Tavian Barnes <tavianator@tavianator.com>             *
+ * Copyright (C) 2020-2022 Tavian Barnes <tavianator@tavianator.com>        *
  *                                                                          *
  * Permission to use, copy, modify, and/or distribute this software for any *
  * purpose with or without fee is hereby granted.                           *
@@ -18,8 +18,8 @@
  * Date/time handling.
  */
 
-#ifndef BFS_TIME_H
-#define BFS_TIME_H
+#ifndef BFS_XTIME_H
+#define BFS_XTIME_H
 
 #include <time.h>
 
@@ -83,4 +83,4 @@ int xtimegm(struct tm *tm, time_t *timep);
  */
 int parse_timestamp(const char *str, struct timespec *result);
 
-#endif // BFS_TIME_H
+#endif // BFS_XTIME_H