rem: read_buf(f,line,l); line[l] = 0; add_exclude(line);
add: if (l >= MAXPATHLEN) overflow("recv_exclude_list"); read_sbuf(f,line,l); add_exclude(line);
context: void recv_exclude_list(int f){  char line[MAXPATHLEN];  int l;  while ((l=read_int(f))) {    read_buf(f,line,l);    line[l] = 0;    add_exclude(line);  }}