PangoCoverage *result = pango_coverage_new();
PangoliteCoverage *result = pangolite_coverage_new();
thai_engine_get_coverage(const char *fontCharset,                         const char *lang){  PangoCoverage *result = pango_coverage_new();    ThaiFontInfo *font_info = get_font_info(fontCharset);    if (font_info->type != THAI_FONT_NONE) {    gunichar2 wc;        for (wc = 0xe01; wc <= 0xe3a; wc++)      pango_coverage_set(result, wc, PANGO_COVERAGE_EXACT);    for (wc = 0xe3f; wc <= 0xe5b; wc++)      pango_coverage_set(result, wc, PANGO_COVERAGE_EXACT);  }    return result;}