おまけ

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <jctype.h>
#include <mbstring.h>
#include <jstring.h>

#define	SJIS_MIN	0x8140L
#define	SJIS_MAX	0xeaa4L
#define PER_LINE	16		//１行の文字数
#define TRUE		((unsigned char)1)
#define FALSE		((unsigned char)0)

int main()
{
	typedef unsigned char BOOL;
	FILE *fp;
	char buf[3];
	unsigned long i;
	int j;
	BOOL isPrintable;
	
	fp = fopen("sjis.txt","w");
	
	if(!fp){
		printf("fileopen error");
		return EXIT_FAILURE;
	}
//HEADER　BEGIN
	fprintf(fp,"SJIS");
	if(PER_LINE<=16){
		for(i=0;i<PER_LINE;i++)
			fprintf(fp," +%X",i);
	}
	else{
		for(i=0;i<16;i++)
			fprintf(fp," +%X",i);
		for(i=16;i<PER_LINE;i++)
			fprintf(fp,"+%X",i);
	}
//HEADER END

	for(i=SJIS_MIN; i < SJIS_MAX + 1L ; i++){
		if((i % PER_LINE) == 0L){
			isPrintable = FALSE;
			for(j=i ; j<i+PER_LINE;j++){
				if(jisprint(j)){
					isPrintable = TRUE;
					break;
				}
			}
			if(isPrintable == FALSE){
				i += PER_LINE;
			}
			else
				fprintf(fp,"\n%X ",i);
		}
		if(isPrintable == TRUE){
			*((unsigned short*)(buf)) = (unsigned short)i;
			buf[2] = 0;
			if(jisprint(i))
				fprintf(fp,"%2s " , buf);
			else
				fprintf(fp,"   ");
		}
	}
	fclose(fp);
	return EXIT_SUCCESS;
}