g_parse_lba
error = g_parse_lba(name, pp->lg_sectorsize, &size);
error = g_parse_lba(s, pp->lg_sectorsize, &alignment);
error = g_parse_lba(s, pp->lg_sectorsize, &new_size);
error = g_parse_lba(s, pp->lg_sectorsize, &alignment);
error = g_parse_lba(s, pp->lg_sectorsize, &size);
error = g_parse_lba(s, pp->lg_sectorsize, &start);
int g_parse_lba(const char *lbastr, unsigned int sectorsize, off_t *sectors);