diff --git a/cnijfilter/src/bjfilter.c b/cnijfilter/src/bjfilter.c
index 926d745..68f3e57 100755
--- a/cnijfilter/src/bjfilter.c
+++ b/cnijfilter/src/bjfilter.c
@@ -26,6 +26,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <ctype.h>
 #include <popt.h>
 #include <time.h>
 #include <string.h>
diff --git a/cnijfilter/src/bjfimage.c b/cnijfilter/src/bjfimage.c
index 7c2feda..9231caf 100755
--- a/cnijfilter/src/bjfimage.c
+++ b/cnijfilter/src/bjfimage.c
@@ -26,6 +26,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 #include <string.h>
 
 #include "cpktypes.h"
diff --git a/cnijfilter/src/bjfoption.c b/cnijfilter/src/bjfoption.c
index 5465534..64a5187 100755
--- a/cnijfilter/src/bjfoption.c
+++ b/cnijfilter/src/bjfoption.c
@@ -26,6 +26,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <ctype.h>
 #include <popt.h>
 #include <string.h>
 
diff --git a/cnijfilter/src/bjfpos.h b/cnijfilter/src/bjfpos.h
index 64086da..aeb04f7 100755
--- a/cnijfilter/src/bjfpos.h
+++ b/cnijfilter/src/bjfpos.h
@@ -84,6 +84,7 @@ typedef struct BJF_MARGIN_INFO				/* borderless information  */
 extern void bjf_pos_img_init( LPBJF_POS_IMGINFO lpimginfo );
 extern void bjf_pos_prn_init( LPBJF_POS_PRNINFO lpprninfo );
 extern void bjf_pos_init( LPBJF_POSINFO lpposinfo );
+extern void bjf_margin_init( LPBJF_MARGIN_INFO );
 extern short bjf_pos_imageresolution( LPBJF_POS_IMGINFO, LPBJF_POS_PRNINFO, LPBJF_POSINFO );
 extern short bjf_pos_imageresolution_fit( LPBJF_POS_IMGINFO, LPBJF_POS_PRNINFO, LPBJF_POSINFO );
 extern short bjf_pos_imageresolution_center( LPBJF_POS_IMGINFO, LPBJF_POS_PRNINFO, LPBJF_POSINFO );
@@ -120,6 +121,7 @@ extern short ImageScaling(LPBJF_POS_PRNINFO, LPBJF_POSINFO,short);
 extern short ImageCenter( LPBJF_POS_IMGINFO, LPBJF_POS_PRNINFO, LPBJF_POSINFO, LPBJF_MARGIN_INFO );
 extern short ImageCut( LPBJF_POS_IMGINFO, LPBJF_POS_PRNINFO, LPBJF_POSINFO, LPBJF_MARGIN_INFO );
 extern short MarginInit(LPBJF_POS_PRNINFO, LPBJF_POSINFO, LPBJF_MARGIN_INFO);
+extern short SetExtLevel( LPBJF_MARGIN_INFO, short);
 extern short SetExtMargin(LPBJF_POS_PRNINFO, LPBJF_POSINFO, LPBJF_MARGIN_INFO, LPBJFLTOVERMARGININFO);
 extern short SetBbox(LPBJF_OPTINFO , LPBJF_POS_IMGINFO , LPBJF_POSINFO , LPBJF_MARGIN_INFO , int , int);
 short bjf_pos_set_paperwidth( LPBJF_MARGIN_INFO , long );
diff --git a/cnijfilter/src/getipc.c b/cnijfilter/src/getipc.c
index e6973b0..ec7f8b5 100755
--- a/cnijfilter/src/getipc.c
+++ b/cnijfilter/src/getipc.c
@@ -43,7 +43,7 @@ short GetIPCData(LPIPCU pipc, char *sname)
 	struct sockaddr_un		sun;
 	int						s, c;
 	char					buf[128];
-	size_t					adrlen;
+	socklen_t				adrlen;
 	short					ret = RET_ERROR;
 
 	if ((s = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)