C言語のなんか

gistfile1.c

#include <stdio.h>
#include <ctype.h>
#include <string.h>

char charAddition(char ref, int num);
int charValid(char ref);
int charContains(char tag,char ref[]);

void main()
{
  char name[100];
	char name2[100];
	char name3[100];
	int dict[26];
	char baseAlpha[6];
	int alpDiff;
	int isValid;
	int i;
	int i2;
	int iLoopable;
	int cRes;
	int maxVowelCount = 0;
	int curVowel;

	char cacheChar1,cacheChar2;

	printf("ローマ字表記の日本語名のフルネームを入力してください:");
	scanf("%s",&name);
	printf("アルファベットをどれだけずらすか指定してください:");
	scanf("%d",&alpDiff);

	for (i=0; i<=99; i++)
	{
		isValid = charValid(name[i]);
		if (isValid == 0)
		{
			name2[i] = charAddition(name[i],alpDiff);
		}
		else
		{
			name2[i] = name[i];
		}
	}

	printf("変換後の文字列は %s です。\n",name2);

	printf("変換した文字列の解析を行います\n");

	for (i2=0; i2<26; i2++)
	{
		curVowel = 0;
		baseAlpha[0] = charAddition('a',i2);
		baseAlpha[1] = charAddition('i',i2);
		baseAlpha[2] = charAddition('u',i2);
		baseAlpha[3] = charAddition('e',i2);
		baseAlpha[4] = charAddition('o',i2);
		baseAlpha[5] = NULL;
		for (i=0; i<=99; i++)
		{
			isValid = charValid(name2[i]);
			if (isValid == 0)
			{
				cacheChar1 = name2[i];
				cRes = charContains(cacheChar1,baseAlpha);
				if (cRes == 0)
				{
					curVowel += 1;
				}
			}
		}
		dict[i2] = curVowel;

	}
	for (i=0; i<26; i++)
	{
		if (maxVowelCount < dict[i])
		{
			maxVowelCount = dict[i];
		}
	}
	printf("復元後の文字列の候補は\n");
	for (i2=0; i2<26; i2++)
	{
		if (maxVowelCount == dict[i2])
		{
			
			for (i=0; i<=99; i++)
			{
				isValid = charValid(name[i]);
				if (isValid == 0)
				{
					name3[i] = charAddition(name2[i],i2);
				}
				else
				{
					name3[i] = name2[i];
				}
			}
			cRes = charContains(charAddition('q',i2),name3);
			if (cRes == -1)
			{
				cRes = charContains(charAddition('x',i2),name3);
				if (cRes == -1)
				{
					cRes = charContains(charAddition('l',i2),name3);
					if (cRes == -1)
					{
						printf("%s\n",name3);
					}
				}
			}
		}
	}
	printf("です\n");


}

// return char code + arguments value
char charAddition(char ref, int num)
{
	char ref2 ;
	int i;
	ref2 = tolower(ref);
	i = (int)ref2 + num;
	
	while ((i - (int)'a') >= 26)
	{
		i -= 26;
	}
	while ((i - (int)'a') < 0)
	{
		i += 26;
	}
	return (char)i;
}

// check char is [a-z] 
int charValid(char ref)
{
	char ref2 ;
	int i;
	ref2 = tolower(ref);
	i = (int)ref2;
	if ((i < (int)'a') || (i > (int)'z'))
	{
		return -1;
	}
	return 0;
}

// represents char[].contains function
int charContains(char tag,char ref[])
{
	char *p;
	
	p = strchr(ref,tag);
	if (p != NULL)
	{
		return 0;	
	}
	else
	{
		return -1;
	}
}

/*

int charCheck(char ref)
{
	char ref2 ;
	ref2 = tolower(ref);
	switch (ref)
	{
	case 'q' :
	case 'x' :
	case 'l' :
	case 'v' :
		return -1;
		break;
	case 'a' :
	case 'i' :
	case 'u' :
	case 'e' :
	case 'o' :
		return 1;
		break;
	case 'w' :
		return 32;
		break;
		
	}
}


int charNextable(int mode,char ref,char next)
{
	char ref2 ;
	char ref3 ;
	ref3 = tolower(next);
	ref2 = tolower(ref);
	
}

*/