Huffman Compression

include/bitio.h

@@ -0,0 +1,29 @@
+#ifndef _BITIO_H
+#define _BITIO_H
+
+#include <stdio.h>
+
+typedef struct bit_file {
+	
+	FILE* file;
+	unsigned char mask;
+	int rack;
+	int pacifier_counter;
+
+} BIT_FILE;
+
+
+BIT_FILE* OpenInputBitFile(char* name);
+BIT_FILE* OpenOutputBitFile(char* name);
+void OutputBit(BIT_FILE* bit_file, int bit);
+void OutputBits(BIT_FILE* bit_file, unsigned long code, int count);
+
+int InputBit(BIT_FILE* bit_file);
+unsigned long InputBits(BIT_FILE* bit_file, int bit_count);
+
+
+void CloseInputBitFile(BIT_FILE* bit_file);
+void CloseOutputBitFile(BIT_FILE* bit_file);
+void FilePrintBinary(FILE* file, unsigned int code, int bits);
+
+#endif /* _BITIO_H */

include/errhand.h

@@ -0,0 +1,6 @@
+#ifndef _ERRHAND_H
+#define _ERRHAND_H
+
+void fatal_error(char* fmt, ...);
+
+#endif /* _ERRHAND_H */

include/main.h

@@ -0,0 +1,11 @@
+#ifndef _MAIN_H
+#define _MAIN_H
+
+void CompressFile(FILE* input, BIT_FILE* output, int argc, char* argv[]);
+void ExpandFile(BIT_FILE* input, FILE* output, int argc, char* argv[]);
+
+extern char* Usage;
+extern char* CompressionName;
+
+
+#endif /* _MAIN_H */