diff --git a/include/jpegsegments.h b/include/jpegsegments.h
new file mode 100644
index 0000000..e4cd969
--- /dev/null
+++ b/include/jpegsegments.h
@@ -0,0 +1,90 @@
+/*
+ * EXIF date tool
+ *
+ * (c) Alexander Vdolainen 2023 <alex@vapaa.xyz>
+ *
+ * this is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published
+ * by the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * this is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.";
+ *
+ */
+
+#ifndef __EXIJPEGSEGMENTS_H__
+#define __EXIJPEGSEGMENTS_H__
+
+typedef enum {
+    JPEG_MARKER_SOF0        = 0xc0,
+    JPEG_MARKER_SOF1        = 0xc1,
+    JPEG_MARKER_SOF2        = 0xc2,
+    JPEG_MARKER_SOF3        = 0xc3,
+    JPEG_MARKER_DHT		= 0xc4,
+    JPEG_MARKER_SOF5        = 0xc5,
+    JPEG_MARKER_SOF6        = 0xc6,
+    JPEG_MARKER_SOF7        = 0xc7,
+    JPEG_MARKER_JPG		= 0xc8,
+    JPEG_MARKER_SOF9        = 0xc9,
+    JPEG_MARKER_SOF10       = 0xca,
+    JPEG_MARKER_SOF11       = 0xcb,
+    JPEG_MARKER_DAC		= 0xcc,
+    JPEG_MARKER_SOF13       = 0xcd,
+    JPEG_MARKER_SOF14       = 0xce,
+    JPEG_MARKER_SOF15       = 0xcf,
+    JPEG_MARKER_RST0	= 0xd0,
+    JPEG_MARKER_RST1	= 0xd1,
+    JPEG_MARKER_RST2	= 0xd2,
+    JPEG_MARKER_RST3	= 0xd3,
+    JPEG_MARKER_RST4	= 0xd4,
+    JPEG_MARKER_RST5	= 0xd5,
+    JPEG_MARKER_RST6	= 0xd6,
+    JPEG_MARKER_RST7	= 0xd7,
+    JPEG_MARKER_SOI         = 0xd8,
+    JPEG_MARKER_EOI         = 0xd9,
+    JPEG_MARKER_SOS         = 0xda,
+    JPEG_MARKER_DQT		= 0xdb,
+    JPEG_MARKER_DNL		= 0xdc,
+    JPEG_MARKER_DRI		= 0xdd,
+    JPEG_MARKER_DHP		= 0xde,
+    JPEG_MARKER_EXP		= 0xdf,
+    JPEG_MARKER_APP0	= 0xe0,
+    JPEG_MARKER_APP1        = 0xe1,
+    JPEG_MARKER_APP2        = 0xe2,
+    JPEG_MARKER_APP3        = 0xe3,
+    JPEG_MARKER_APP4        = 0xe4,
+    JPEG_MARKER_APP5        = 0xe5,
+    JPEG_MARKER_APP6        = 0xe6,
+    JPEG_MARKER_APP7        = 0xe7,
+    JPEG_MARKER_APP8        = 0xe8,
+    JPEG_MARKER_APP9        = 0xe9,
+    JPEG_MARKER_APP10       = 0xea,
+    JPEG_MARKER_APP11       = 0xeb,
+    JPEG_MARKER_APP12       = 0xec,
+    JPEG_MARKER_APP13       = 0xed,
+    JPEG_MARKER_APP14       = 0xee,
+    JPEG_MARKER_APP15       = 0xef,
+    JPEG_MARKER_JPG0	= 0xf0,
+    JPEG_MARKER_JPG1	= 0xf1,
+    JPEG_MARKER_JPG2	= 0xf2,
+    JPEG_MARKER_JPG3	= 0xf3,
+    JPEG_MARKER_JPG4	= 0xf4,
+    JPEG_MARKER_JPG5	= 0xf5,
+    JPEG_MARKER_JPG6	= 0xf6,
+    JPEG_MARKER_JPG7	= 0xf7,
+    JPEG_MARKER_JPG8	= 0xf8,
+    JPEG_MARKER_JPG9	= 0xf9,
+    JPEG_MARKER_JPG10	= 0xfa,
+    JPEG_MARKER_JPG11	= 0xfb,
+    JPEG_MARKER_JPG12	= 0xfc,
+    JPEG_MARKER_JPG13	= 0xfd,
+    JPEG_MARKER_COM         = 0xfe
+} exijpeg_segment_t;
+
+#endif
diff --git a/src/jpeg.c b/src/jpeg.c
index a3ed06f..de4cfbf 100644
--- a/src/jpeg.c
+++ b/src/jpeg.c
@@ -30,6 +30,7 @@
 #include <libexif/exif-data.h>
 
 #include <include/exijpeg.h>
+#include <include/jpegsegments.h>
 
 #if 0
 struct exijpeg_segment {