Add a command-line test program.

At the moment it only tests MsiGetFileVersion, because that's the
piece I just found a problem in, but I could easily extend it to have
convenient command-line test rigs for other parts of this setup too.

1 files changed, 6 insertions, 0 deletions

diff --git a/api.h b/api.h
new file mode 100644
index 0000000..5fc2d27
--- /dev/null
+++ b/api.h
@@ -0,0 +1,6 @@
+#include <stdint.h>
+#include <uchar.h>
+
+uint32_t MsiGetFileVersionW(const char16_t *filename,
+                            char16_t *version, uint32_t *version_size,
+                            char16_t *language, uint32_t *language_size);