add v1 branch

bitio.h

@@ -0,0 +1,27 @@
+#ifndef _BITIO_H_
+#define _BITIO_H_
+//bitio.h
+//made by fumiama
+//20200413
+#include <stdio.h>
+#include <string.h>
+#ifndef BITBUFSIZE
+#define BITBUFSIZE 1024
+#endif
+struct BIT{
+    char b[BITBUFSIZE];
+    int p;
+};
+typedef struct BIT BIT;
+
+int pushbit(BIT *buffer, const int isture);
+
+int fpushbit(BIT *buffer, FILE *fp);
+
+int changebit(BIT *buffer, const int isture, const int position);
+
+int readbit(const BIT *buffer, const int position);
+
+int popbit(BIT *buffer);
+
+#endif