Remove main from libdispass, add test executable

- Add ~dispasstest~ which is used to test the DisPass algorithms.
- Remove =main= from libdispass since shared libraries shouldn't have
  main functions
- Add ~dispass.h~ which defines and exports the DisPass algorithms.
- Make some functions in ~dispass.c~ static to make clear they're not
  exported anywhere.

1 files changed, 3 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 9a75ffc..021cef7 100644
--- a/Makefile
+++ b/Makefile
@@ -2,3 +2,6 @@ CFLAGS = -lcrypto -fPIC
 
 libdispass.so: dispass.o
 	$(CC) $(CFLAGS) -shared -o libdispass.so $^
+
+dispasstest: libdispass.so dispasstest.o
+	$(CC) -o dispasstest -L. -ldispass dispasstest.o