1 files changed, 15 insertions, 0 deletions
diff --git a/src/internal.h b/src/internal.h
index 57487c2..700b1ee 100644
--- a/src/internal.h
+++ b/src/internal.h
@@ -71,4 +71,19 @@ cepis_address_t *cepis_address_from_csv(const csv_row_t *header,
 /** @brief Build a health report from a parsed JSON object. */
 cepis_health_t *cepis_health_from_json(const json_value_t *object);
 
+/**
+ * @brief Read the `faixa` block of a 404 body into @p out.
+ * @param object The decoded body, which may be `NULL`.
+ * @param out    Filled and returning `true`, or untouched and returning
+ *               `false`.
+ * @return `true` only when the block is present, is an object and names a
+ *         municipality.
+ *
+ * Deliberately total: a body that is not JSON, a `faixa` that is null, a
+ * string, an array or an object without `localidade` all mean "the API named
+ * no municipality". A 404 is already the answer, and failing to read the
+ * garnish must never turn it into a different one.
+ */
+bool cepis_faixa_from_json(const json_value_t *object, cepis_faixa_t *out);
+
 #endif