diff --git a/src/search.cpp b/src/search.cpp
new file mode 100644
index 0000000..a8aa441
--- /dev/null
+++ b/src/search.cpp
@@ -0,0 +1,33 @@
+/*  This file is part of epubgrep.
+ *  Copyright © 2021 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "search.hpp"
+
+#include "fs-compat.hpp"
+
+#include <string_view>
+#include <vector>
+
+namespace epubgrep::search
+{
+
+std::vector<match> search(const fs::path &filepath, std::string_view regex,
+                          const options &opts)
+{
+    return {};
+}
+
+} // namespace epubgrep::search
diff --git a/src/search.hpp b/src/search.hpp
new file mode 100644
index 0000000..981771a
--- /dev/null
+++ b/src/search.hpp
@@ -0,0 +1,55 @@
+/*  This file is part of epubgrep.
+ *  Copyright © 2021 tastytea <tastytea@tastytea.de>
+ *
+ *  This program is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU Affero General Public License as published by
+ *  the Free Software Foundation, version 3.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Affero General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Affero General Public License
+ *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef EPUBGREP_SEARCH_HPP
+#define EPUBGREP_SEARCH_HPP
+
+#include "fs-compat.hpp"
+
+#include <cstdint>
+#include <string>
+#include <string_view>
+#include <utility>
+#include <vector>
+
+namespace epubgrep::search
+{
+
+using match_context = std::pair<std::string, std::string>;
+
+struct match
+{
+    std::string text;      //!< Matched string.
+    match_context context; //!< The context around the match.
+    std::string filepath;  //!< The file path of the matched line.
+    std::string headline;  //!< The last headline, if available.
+    std::string page;      //!< The page number, if available.
+};
+
+struct options
+{
+    // TODO: regex type
+    bool ignore_case{false};
+    bool nostrip{false};
+    std::uint64_t context{0};
+};
+
+std::vector<match> search(const fs::path &filepath, std::string_view regex,
+                          const options &opts);
+
+} // namespace epubgrep::search
+
+#endif // EPUBGREP_SEARCH_HPP