rem: fsp = (struct fs_type_list *) xmalloc (sizeof (struct fs_type_list));
add: fsp = xmalloc (sizeof *fsp);
context: add_excluded_fs_type (const char *fstype){  struct fs_type_list *fsp;  fsp = (struct fs_type_list *) xmalloc (sizeof (struct fs_type_list));  fsp->fs_name = (char *) fstype;  fsp->fs_next = fs_exclude_list;  fs_exclude_list = fsp;}