Remove libscan git submodule

third-party/libscan/libscan/msdoc/msdoc.h

@@ -0,0 +1,24 @@
+#ifndef SCAN_SCAN_MSDOC_H
+#define SCAN_SCAN_MSDOC_H
+
+#include "../scan.h"
+
+typedef struct {
+    long content_size;
+    int tn_size;
+    log_callback_t log;
+    logf_callback_t logf;
+    store_callback_t store;
+    unsigned int msdoc_mime;
+} scan_msdoc_ctx_t;
+
+__always_inline
+static int is_msdoc(scan_msdoc_ctx_t *ctx, unsigned int mime) {
+    return mime == ctx->msdoc_mime;
+}
+
+void parse_msdoc(scan_msdoc_ctx_t *ctx, vfile_t *f, document_t *doc);
+
+void parse_msdoc_text(scan_msdoc_ctx_t *ctx, document_t *doc, FILE *file_in, void* buf, size_t buf_len);
+
+#endif