229 static char *extend_string(char **old, char *new, int oldlen, int newlen)  in extend_string()  argument
231   int newline = newlen < 0;  in extend_string()
234   if (newline) newlen = -newlen;  in extend_string()
235   s = *old = xrealloc(*old, oldlen+newlen+newline+1);  in extend_string()
237   memcpy(s+oldlen, new, newlen);  in extend_string()
238   s[oldlen+newlen] = 0;  in extend_string()
240   return s+oldlen+newlen+1;  in extend_string()
481         mlen, off, newlen;  in sed_line()  local
510         for (off = newlen = 0; new[off]; off++) {  in sed_line()
516             newlen++;  in sed_line()
519           newlen += match[cc].rm_eo-match[cc].rm_so;  in sed_line()
525         l2l += newlen-mlen;  in sed_line()
556         l2used += newlen;  in sed_line()