const struct fxp_name *a = (const struct fxp_name *) av; const struct fxp_name *b = (const struct fxp_name *) bv; return strcmp(a->filename, b->filename);
const struct fxp_name *const *a = (const struct fxp_name *const *) av; const struct fxp_name *const *b = (const struct fxp_name *const *) bv; return strcmp((*a)->filename, (*b)->filename);
static int sftp_ls_compare(const void *av, const void *bv){    const struct fxp_name *a = (const struct fxp_name *) av;    const struct fxp_name *b = (const struct fxp_name *) bv;    return strcmp(a->filename, b->filename);}