+int my_open(char *filename)
+{
+ return open(filename,O_RDONLY|O_BINARY);
+}
+off_t my_seek(int infile, off_t offset,int whence)
+{
+ return lseek(infile, offset, whence);
+}
+ssize_t my_read(int infile,void *buf,size_t count)
+{
+ return read(infile,buf,count);
+}
+int my_close(int infile)
+{
+ return close(infile);
+}
+
+
+