diff --git a/include/debugprintf.h b/include/debugprintf.h
index 0303ce5..e480673 100644
--- a/include/debugprintf.h
+++ b/include/debugprintf.h
@@ -4,14 +4,17 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/stdarg.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <stdarg.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 
 #ifdef SCR_PRINT
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/debug.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <debug.h>
 #endif
 #endif
@@ -23,6 +26,7 @@ void sio_printf(const char *fmt, ...);
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/SIOCookie.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <SIOCookie.h>
 #endif
 #define DPRINTF_INIT() ee_sio_start(38400, 0, 0, 0, 0, 1);
diff --git a/include/libcdvd_add.h b/include/libcdvd_add.h
index 90cd9bf..3b6c9fe 100644
--- a/include/libcdvd_add.h
+++ b/include/libcdvd_add.h
@@ -1,6 +1,7 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/stddef.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <stddef.h>
 #endif
 
diff --git a/include/main.h b/include/main.h
index 54ebb89..7006031 100644
--- a/include/main.h
+++ b/include/main.h
@@ -2,15 +2,21 @@
 #define MAIN_H
 #define NEWLIB_PORT_AWARE
 
+// cppcheck-suppress missingIncludeSystem
 #include <stdlib.h>
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
+// cppcheck-suppress missingIncludeSystem
 #include <malloc.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
 
 #ifdef __CPPCHECK__
@@ -30,19 +36,33 @@
 #include "cppcheck_stubs/libmc.h"
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <tamtypes.h>
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
+// cppcheck-suppress missingIncludeSystem
 #include <sifrpc.h>
+// cppcheck-suppress missingIncludeSystem
 #include <loadfile.h>
+// cppcheck-suppress missingIncludeSystem
 #include <debug.h>
+// cppcheck-suppress missingIncludeSystem
 #include <iopcontrol.h>
+// cppcheck-suppress missingIncludeSystem
 #include <iopheap.h>
+// cppcheck-suppress missingIncludeSystem
 #include <sbv_patches.h>
+// cppcheck-suppress missingIncludeSystem
 #include <ps2sdkapi.h>
+// cppcheck-suppress missingIncludeSystem
 #include <usbhdfsd-common.h>
+// cppcheck-suppress missingIncludeSystem
 #include <osd_config.h>
+// cppcheck-suppress missingIncludeSystem
 #include <libpad.h>
+// cppcheck-suppress missingIncludeSystem
 #include <libmc.h>
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 
@@ -66,6 +86,7 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/iopcontrol_special.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <iopcontrol_special.h>
 #endif
 #include "psx/plibcdvd_add.h"
@@ -127,10 +148,14 @@ void loadUDPTTY();
 #include "cppcheck_stubs/io_common.h"
 #include "cppcheck_stubs/libpwroff.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <hdd-ioctl.h>
+// cppcheck-suppress missingIncludeSystem
 #include <io_common.h>
+// cppcheck-suppress missingIncludeSystem
 #include <libpwroff.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <assert.h>
 extern char PART[128];
 extern int HDD_USABLE;
@@ -152,6 +177,7 @@ int LookForBDMDevice(void);
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/fileXio_rpc.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <fileXio_rpc.h>
 #endif
 int LoadFIO(void); // Load FileXio and it´s dependencies
diff --git a/include/psx/plibcdvd_add.h b/include/psx/plibcdvd_add.h
index 2c8f60b..3238329 100644
--- a/include/psx/plibcdvd_add.h
+++ b/include/psx/plibcdvd_add.h
@@ -1,6 +1,7 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/tamtypes.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <tamtypes.h>
 #endif
 /**
diff --git a/include/util.h b/include/util.h
index de3fdde..faf7f1b 100644
--- a/include/util.h
+++ b/include/util.h
@@ -1,6 +1,7 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/stddef.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <stddef.h>
 #endif
 
diff --git a/include/util_safe_compat.h b/include/util_safe_compat.h
index f3e486e..0be9611 100644
--- a/include/util_safe_compat.h
+++ b/include/util_safe_compat.h
@@ -8,21 +8,27 @@
   #include "cppcheck_stubs/string.h"
 #elif defined(__has_include)
   #if __has_include(<stddef.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <stddef.h>
   #endif
   #if __has_include(<stdarg.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <stdarg.h>
   #endif
   #if __has_include(<stdint.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <stdint.h>
   #endif
   #if __has_include(<limits.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <limits.h>
   #endif
   #if __has_include(<string.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <string.h>
   #endif
   #if __has_include(<stdio.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <stdio.h>
   #endif
 #endif
diff --git a/include/util_safeio.h b/include/util_safeio.h
index f8f457a..beb5e61 100644
--- a/include/util_safeio.h
+++ b/include/util_safeio.h
@@ -5,6 +5,7 @@
 
 #if defined(__has_include)
   #if __has_include(<unistd.h>)
+    // cppcheck-suppress missingIncludeSystem
     #include <unistd.h>
   #endif
 #endif
diff --git a/src/OSDConfig.c b/src/OSDConfig.c
index a02ea92..52bd23c 100644
--- a/src/OSDConfig.c
+++ b/src/OSDConfig.c
@@ -1,12 +1,15 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/osd_config.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <osd_config.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #include "OSDInit.h"
diff --git a/src/OSDHistory.c b/src/OSDHistory.c
index 672efd6..e5c907c 100644
--- a/src/OSDHistory.c
+++ b/src/OSDHistory.c
@@ -1,37 +1,47 @@
+// cppcheck-suppress missingIncludeSystem
 #include <errno.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libmc.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libmc.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/limits.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <limits.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #include "OSDInit.h"
 #include "util.h"
 #include "util_safe.h"
 #include "OSDHistory.h"
 #include "debugprintf.h"
+// cppcheck-suppress missingIncludeSystem
 #include <stdlib.h>
 
 /*  The OSDs have this weird bug whereby the size of the icon file is hardcoded to 1776 bytes... even though that is way too long!
diff --git a/src/OSDInit.c b/src/OSDInit.c
index ce1e114..ef64d83 100644
--- a/src/OSDInit.c
+++ b/src/OSDInit.c
@@ -1,28 +1,35 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/osd_config.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <osd_config.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
 #include "libcdvd_add.h"
 #include "OSDInit.h"
 #include "util_safe.h"
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 
 /*  Parsing of values from the EEPROM and setting them into the EE kernel
diff --git a/src/dvdplayer.c b/src/dvdplayer.c
index f1e35da..87e04a7 100644
--- a/src/dvdplayer.c
+++ b/src/dvdplayer.c
@@ -1,32 +1,42 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdlib.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sifcmd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sifcmd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libmc.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libmc.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <errno.h>
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 
 #include "dvdplayer.h"
diff --git a/src/elf.c b/src/elf.c
index 36ee681..b879afc 100644
--- a/src/elf.c
+++ b/src/elf.c
@@ -1,19 +1,25 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/tamtypes.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <tamtypes.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/elf-loader.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <elf-loader.h>
 #endif
 #include "debugprintf.h"
diff --git a/src/libcdvd_add.c b/src/libcdvd_add.c
index 2e623a4..5052b68 100644
--- a/src/libcdvd_add.c
+++ b/src/libcdvd_add.c
@@ -1,23 +1,28 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sifrpc.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sifrpc.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 
 #include "debugprintf.h"
diff --git a/src/main.c b/src/main.c
index eb39f3f..51a27d0 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,7 +1,9 @@
+// cppcheck-suppress missingIncludeSystem
 #include <errno.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
 
diff --git a/src/modelname.c b/src/modelname.c
index 962016d..f072b43 100644
--- a/src/modelname.c
+++ b/src/modelname.c
@@ -1,27 +1,35 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdlib.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sifcmd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sifcmd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #include "libcdvd_add.h"
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 
 #include "modelname.h"
diff --git a/src/pad.c b/src/pad.c
index d6cebac..8b11e1b 100644
--- a/src/pad.c
+++ b/src/pad.c
@@ -1,18 +1,22 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libpad.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libpad.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/tamtypes.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <tamtypes.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 
 #include "debugprintf.h"
diff --git a/src/ps1.c b/src/ps1.c
index c2f798e..a2c3ce7 100644
--- a/src/ps1.c
+++ b/src/ps1.c
@@ -1,37 +1,47 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdlib.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/ctype.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <ctype.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sifcmd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sifcmd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libmc.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libmc.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #include "libcdvd_add.h"
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 
 #include "ps1.h"
diff --git a/src/ps2.c b/src/ps2.c
index 6ed5079..87f1d19 100644
--- a/src/ps2.c
+++ b/src/ps2.c
@@ -1,37 +1,47 @@
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdlib.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sifcmd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sifcmd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/debug.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <debug.h>
 #endif
 #include "libcdvd_add.h"
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/ctype.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <ctype.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 //#include "main.h"
 #include "ps2.h"
diff --git a/src/scmd_add.c b/src/scmd_add.c
index 8b7ec3b..c17152d 100644
--- a/src/scmd_add.c
+++ b/src/scmd_add.c
@@ -17,20 +17,24 @@
 # NOTE: not all functions work with each set of modules!
 */
 
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sifrpc.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sifrpc.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/libcdvd.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <libcdvd.h>
 #endif
 #include "psx/plibcdvd_add.h"
diff --git a/src/sioprintf.c b/src/sioprintf.c
index b2b1919..5b79630 100644
--- a/src/sioprintf.c
+++ b/src/sioprintf.c
@@ -1,12 +1,15 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/stdarg.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <stdarg.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/sio.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <sio.h>
 #endif
 void sio_printf(const char *fmt, ...)
diff --git a/src/timer.c b/src/timer.c
index fa5223c..a120bbf 100644
--- a/src/timer.c
+++ b/src/timer.c
@@ -37,11 +37,13 @@
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/tamtypes.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <tamtypes.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/kernel.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <kernel.h>
 #endif
 
diff --git a/src/util.c b/src/util.c
index a56fcb6..f8d5041 100644
--- a/src/util.c
+++ b/src/util.c
@@ -1,25 +1,34 @@
+// cppcheck-suppress missingIncludeSystem
 #include <errno.h>
 #include "util_safe_compat.h"
+// cppcheck-suppress missingIncludeSystem
 #include <stdio.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/string.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <string.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <fcntl.h>
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/tamtypes.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <tamtypes.h>
 #endif
 #ifdef __CPPCHECK__
 #include "cppcheck_stubs/loadfile.h"
 #else
+// cppcheck-suppress missingIncludeSystem
 #include <loadfile.h>
 #endif
+// cppcheck-suppress missingIncludeSystem
 #include <malloc.h>
 #if defined(HDD) || defined(HDD_RUNTIME)
+// cppcheck-suppress missingIncludeSystem
 #include <assert.h>
 #endif
 
diff --git a/src/util_safeio.c b/src/util_safeio.c
index f476f8c..092ffc1 100644
--- a/src/util_safeio.c
+++ b/src/util_safeio.c
@@ -1,5 +1,6 @@
 #include "util_safeio.h"
 
+// cppcheck-suppress missingIncludeSystem
 #include <unistd.h>
 
 /* Centralized bounded read helpers to address Codacy CWE-120/CWE-20 findings. */