isc_hex_totext
result = isc_hex_totext(&r, 2, "", &hexbuf);
result = isc_hex_totext(&sr, 0, "", target);
result = isc_hex_totext(&sr, tctx->width - 2,
RETERR(isc_hex_totext(&sr, 0, "", target));
RETERR(isc_hex_totext(&sr, tctx->width - 2,
RETERR(isc_hex_totext(®ion, 1, "", target));
RETERR(isc_hex_totext(&sr, 1, "", target));
RETERR(isc_hex_totext(&sr, 1, "", target));
RETERR(isc_hex_totext(&sr, 0, "", target));
RETERR(isc_hex_totext(&sr, tctx->width - 2,
RETERR(isc_hex_totext(&sr, 0, "", target));
RETERR(isc_hex_totext(&sr, tctx->width - 2,
RETERR(isc_hex_totext(&sr, 0, "", target));
RETERR(isc_hex_totext(&sr, tctx->width - 2,
isc_hex_totext(isc_region_t *source, int wordlength,