my_jpeg_error_mgr 8566 src/image.c      struct my_jpeg_error_mgr *mgr = (struct my_jpeg_error_mgr *) cinfo->err;
my_jpeg_error_mgr 8769 src/image.c    		struct my_jpeg_error_mgr *mgr)
my_jpeg_error_mgr 8948 src/image.c      struct my_jpeg_error_mgr mgr;