Implemented oncatenation of split files during -cpx

xorriso/xorrisoburn.h

@@ -225,8 +225,14 @@ int Xorriso_identify_split(struct XorrisO *xorriso, char *iso_adr,
                            struct SplitparT **parts, int *count,
                            struct stat *total_stbuf, int flag);
 
-/*
-   @param flag
+/* @param flag bit0= node is valid, do not resolve path
+               bit1= insist in complete collection of part files
+*/
+int Xorriso_is_split(struct XorrisO *xorriso, char *path, void *node,
+                     int flag);
+
+
+/* @param flag
            >>> bit0= mkdir: graft in as empty directory, not as copy from iso
                bit1= do not report copied files
                bit2= -follow, -not_*: this is not a command parameter