read_length 270 vcs-svn/svndiff.c if (read_length(delta, &out_len, delta_len) || read_length 271 vcs-svn/svndiff.c read_length(delta, &instructions_len, delta_len) || read_length 272 vcs-svn/svndiff.c read_length(delta, &data_len, delta_len) || read_length 303 vcs-svn/svndiff.c read_length(delta, &pre_len, &delta_len) ||