From cee6575a573208a13e82f822f6d8c437716044f1 Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Mon, 25 Dec 2023 15:56:38 -0700
Subject: [PATCH 1/5] intcmp(1): without <sysexits.h> fall back to ANSI C

---
 src/intcmp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/intcmp.c b/src/intcmp.c
index fc7e0e9..e5dcdec 100644
--- a/src/intcmp.c
+++ b/src/intcmp.c
@@ -18,9 +18,9 @@
 
 #include <errno.h> /* errno */
 #include <stdio.h> /* fprintf(3), stderr */
-#include <stdlib.h> /* strtol(3), size_t */
+#include <stdlib.h> /* strtol(3), size_t, EXIT_FAILURE */
 #ifndef EX_USAGE
-#	include <sysexits.h> /* EX_USAGE */
+#	define EX_USAGE EXIT_FAILURE
 #endif
 #include <unistd.h> /* getopt(3), optind */
 

From 1bc574eafaa44bbb0f7ca2d6d93df4c4b7edeff7 Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Mon, 25 Dec 2023 15:57:58 -0700
Subject: [PATCH 2/5] npc(1): without <sysexits.h> fall back to ANSI C

---
 src/npc.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/npc.c b/src/npc.c
index c927d28..8a07f1e 100644
--- a/src/npc.c
+++ b/src/npc.c
@@ -18,9 +18,13 @@
 
 #include <stdio.h> /* fprintf(3), fputs(3), getc(3), putc(3), stdin, stdout,
                     * EOF */
+#include <stdlib.h> /* EXIT_FAILURE, EXIT_SUCCESS */
 #include <unistd.h> /* getopt(3) */
-#if !defined EX_USAGE || !defined EX_OK
-#	include <sysexits.h>
+#if !defined EX_USAGE
+#	define EX_USAGE EXIT_FAILURE
+#endif
+#if !defined EX_OK
+#	define EX_OK EXIT_SUCCESS
 #endif
 
 int main(int argc, char *argv[]){

From 52d150b02ba7633f9d88cba0bb4b06cee91b8791 Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Mon, 25 Dec 2023 15:58:08 -0700
Subject: [PATCH 3/5] scrut(1): without <sysexits.h> fall back to ANSI C

---
 src/scrut.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/scrut.c b/src/scrut.c
index 4cff59d..f2fc302 100644
--- a/src/scrut.c
+++ b/src/scrut.c
@@ -17,9 +17,10 @@
  */
 
 #include <stdio.h> /* fprintf(3), stderr, NULL */
+#include <stdlib.h> /* EXIT_FAILURE */
 #include <string.h> /* strchr(3) */
 #ifndef EX_USAGE
-#	include <sysexits.h>
+#	define EX_USAGE EXIT_FAILURE
 #endif
 #include <unistd.h> /* access(3), getopt(3), F_OK, R_OK, W_OK, X_OK */
 #include <sys/stat.h> /* lstat(3), stat struct, S_ISBLK, S_ISCHR, S_ISDIR,

From d4ee9bb93b215dbae25412d3c44834396fb3eabb Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Mon, 25 Dec 2023 15:58:24 -0700
Subject: [PATCH 4/5] str(1): without <sysexits.h> fall back to ANSI C

---
 src/str.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/str.c b/src/str.c
index 2f38ec1..583422d 100644
--- a/src/str.c
+++ b/src/str.c
@@ -20,9 +20,10 @@
 #include <ctype.h>
 #include <stddef.h> /* NULL */
 #include <stdio.h> /* fprintf(3) */
+#include <stdlib.h> /* EXIT_FAILURE */
 #include <string.h> /* strcmp(3) */
 #if !defined EX_USAGE
-#	include <sysexits.h>
+#	define EX_USAGE EXIT_FAILURE
 #endif
 
 static char *program_name = "str";

From 8e330d8a6318ec15b8ed038aef4f78af10be68f9 Mon Sep 17 00:00:00 2001
From: DTB <trinity@trinity.moe>
Date: Mon, 25 Dec 2023 15:58:47 -0700
Subject: [PATCH 5/5] strcmp(1): without <sysexits.h> fall back to ANSI C

---
 src/strcmp.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/strcmp.c b/src/strcmp.c
index d2fbc2b..76a2681 100644
--- a/src/strcmp.c
+++ b/src/strcmp.c
@@ -1,6 +1,7 @@
 #include <stdio.h> /* fprintf(3), stderr */
-#ifndef EX_USAGE
-#	include <sysexits.h> /* EX_USAGE */
+#include <stdlib.h> /* EXIT_FAILURE */
+#if !defined EX_USAGE
+#	define EX_USAGE EXIT_FAILURE
 #endif
 
 static char *program_name = "strcmp";