新的设计

bitio.h

@@ -1,48 +0,0 @@
-//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){
-    if(buffer->p >= BITBUFSIZE * 8) return EOF;
-    else if(isture) buffer->b[buffer->p / 8] |= 128u >> buffer->p % 8;
-    else buffer->b[buffer->p / 8] &= ~(128u >> buffer->p % 8);
-    buffer->p++;
-    return isture;
-}
-
-int fpushbit(BIT *buffer, FILE *fp){
-    memset(buffer, 0, sizeof(BIT));
-    if((buffer->p = fread(buffer->b, sizeof(char), BITBUFSIZE, fp)) && feof(fp))
-        buffer->p = (buffer->p - 2) * 8 + buffer->b[buffer->p - 1] + 1;
-    else buffer->p *= 8;
-    return buffer->p;
-}
-
-int changebit(BIT *buffer, const int isture, const int position){
-    if(position >= buffer->p) return EOF;
-    else if(isture) buffer->b[position / 8] |= 128u >> position % 8;
-    else buffer->b[position / 8] &= ~(128u >> position % 8);
-    buffer->p++;
-    return isture;
-}
-
-int readbit(const BIT *buffer, const int position){
-    if(position >= buffer->p) return EOF;
-    else return buffer->b[position / 8] & (128u >> position % 8);
-}
-
-int popbit(BIT *buffer){
-    if(buffer->p >= BITBUFSIZE * 8 || buffer->p < 0) return EOF;
-    buffer->p--;
-    return buffer->b[(buffer->p+1) / 8] & (128u >> (buffer->p+1) % 8);
-}