这个代码怎么运行不起啊？

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define OFN "D:\原文件.txt"
#define EFN "D:\加密文件.txt"
#define DFN "D:\解密文件.txt"
char y[650],m[650],jm[650];//分别为原文件字符，加密文件字符，解密文件字符
int yb=0,mb=0,jmb=0;//分别为原文件下标，加密文件下标，解密文件下标
int h=1;//密码属性，初始为1
void f()
{
FILE* fp1;
FILE* fp2;
char c;
fp1=fopen("D:\t.txt","r");
fp2=fopen("D:\t2.txt","w");
if(fp1==NULL||fp2==NULL)
{
printf("文件打开失败！\n");
return;
}
else
{
while(c!=EOF)
{
c = fgetc (fp1);
fputc(c, fp2);
}
}
fclose(fp1);
fclose(fp2);
}
void en()
{
FILE* fp1;
FILE* fp2;
char c;
h=1;
fp1=fopen("D:\t.txt","r");
fp2=fopen("D:\t2.txt","w");
if(fp1==NULL||fp2==NULL)
{
printf("文件打开失败！\n");
return;
}
else
{
while(c!=EOF)
{
c = fgetc (fp1);
y[yb]=c;yb++;
h++;
/if(c==' '||c=='z'||c=='9'||c=='0'||c=='a'||c=='.')//遇到指定字符更改密码属性
{
h--;
}/
fputc((mb,c+h), fp2);
m[mb] =(mb,c+h);mb++;
}
y[yb+1]='\0';
m[mb+1]='\0';
}
fclose(fp1);
fclose(fp2);
printf("原文为：\n");
puts(y);
printf("密文为：\n");
puts(m);

}
void de()
{
FILE* fp1;
FILE* fp2;
char c;
h=1;
fp1=fopen("D:\t2.txt","r");
fp2=fopen("D:\t3.txt","w");
if(fp1==NULL||fp2==NULL)
{
printf("文件打开失败！\n");
return;
}
else
{
while(c!=EOF)
{
c = fgetc (fp1);
y[yb]=c;yb++;
h++;
/if(c==' '||c=='z'||c=='9'||c=='0'||c=='a'||c=='.')//遇到指定字符重置密码属性
{
h--;
}/
fputc((jmb,c-h), fp2);
jm[jmb] =(jmb,c-h);jmb++;
}
//y[yb+1]='\0';
jm[jmb+1]='\0';
}
fclose(fp1);
fclose(fp2);
printf("密文为：\n");
puts(m);
printf("解密文为：\n");
puts(jm);
}
int main()
{
int choice;
int n=250;
while(n--)
{
//system("cls");
printf("欢迎使用文件加密系统！\n");
printf("请输入您的选择\n");
printf("1.加密文件 2.解密文件 3.退出系统\n");
scanf("%d",&choice);
switch (choice)
{
case 1:
en();
break;
case 2:
de();
break;
case 3:
printf("非常感谢您的使用！期待与您下次相见\n");
default:
printf("输入选择有误！请重新输入：");
scanf("%d",&choice);
break;
}
}
system("pause");
return 0;
}
我想让原文如第一行第一列的单词a，转化为密文形式为(1,1)，望大神帮助。

现在不乱码了

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define OFN "D:\\原文件.txt"
#define EFN "D:\\加密文件.txt"
#define DFN "D:\\解密文件.txt"
char y[650],m[650],jm[650];//分别为原文件字符，加密文件字符，解密文件字符 
int yb=0,mb=0,jmb=0;//分别为原文件下标，加密文件下标，解密文件下标
int h=1;//密码属性，初始为1 
void f()
{
    FILE* fp1;
    FILE* fp2;
    char c;
    fp1=fopen("D:\\t.txt","r");
    fp2=fopen("D:\\t2.txt","w");
    if(fp1==NULL||fp2==NULL)
    {
        printf("文件打开失败！\n");
        return;
    }
    else
    {
        while(c!=EOF)
        {
            c = fgetc (fp1);
            
            fputc(c, fp2);
        }
    }
    fclose(fp1);
    fclose(fp2);
}

void en()
{
    FILE* fp1;
    FILE* fp2;
    
    char c;
    h=-5;
    fp1=fopen("D:\\t.txt","r");
    fp2=fopen("D:\\t2.txt","w");
    
    if(fp1==NULL||fp2==NULL)
    {
        printf("文件打开失败！\n");
        return;
    }
    else
    {
        while(c!=EOF)
        {
        c = fgetc (fp1);
        y[yb]=c;    
        if(c>='A'&&c<='Z')
        {
            c=c+57-(c-'A')*2;
        }
        else if(c>='a'&&c<='z')
        {
            c=c-7-(c-'a')*2;
        }
            yb++;
            fputc(c, fp2);
            m[mb] =c;mb++;
        }
        y[yb+1]='\0';
        m[mb+1]='\0';
    }
    fclose(fp1);
    fclose(fp2);
    printf("原文为：\n");
    puts(y);
    printf("密文为：\n");
    puts(m);
    
    
}

void de()
{
    FILE* fp1;
    FILE* fp2;
    char c;
    h=1;
    fp1=fopen("D:\\t2.txt","r");
    fp2=fopen("D:\\t3.txt","w");
    
    if(fp1==NULL||fp2==NULL)
    {
        printf("文件打开失败！\n");
        return;
    }
    else
    {
        while(c!=EOF)
        {
            c = fgetc (fp1);
            y[yb]=c;yb++;
        if(c>='A'&&c<='Z')
        {
            c=c+57-(c-'A')*2;
        }
        else if(c>='a'&&c<='z')
        {
            c=c-7-(c-'a')*2;
        }
            fputc(c, fp2);
            jm[jmb] =c;jmb++;
        }
        //y[yb+1]='\0';
        jm[jmb+1]='\0';
    }
    fclose(fp1);
    fclose(fp2);
    
    printf("密文为：\n");
    puts(m);
    printf("解密文为：\n");
    puts(jm);
    int k;
    /*for(k=0;k<jmb;k++)
    {
        printf("%c",jm[k]);
    }/**/
    //printf("%s",jm);
} 

int main()
{
    int choice;
    int n=250;
    while(n--)
    {
        //system("cls");
        printf("欢迎使用文件加密系统！\n");
        printf("请输入您的选择\n");
        printf("1.加密文件 2.解密文件 3.退出系统\n");
        scanf("%d",&choice);

        switch (choice)
        {
            case 1:
                en();
                break;
            case 2:
                de();
                break;
            case 3:
                printf("非常感谢您的使用！期待与您下次相见\n");
            default:
                printf("输入选择有误！请重新输入：");
                scanf("%d",&choice);
                break;
        }
    }
    system("pause");
    return 0;
}

运行后显示什么

#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define OFN "D:\原文件.txt"
#define EFN "D:\加密文件.txt"
#define DFN "D:\解密文件.txt"
char y[650], m[650], jm[650];//分别为原文件字符，加密文件字符，解密文件字符
int yb = 0, mb = 0, jmb = 0;//分别为原文件下标，加密文件下标，解密文件下标
int h = 1;//密码属性，初始为1
void f()
{
    FILE* fp1;
    FILE* fp2;
    char c;
    fp1 = fopen("D:\t.txt", "r");
    fp2 = fopen("D:\t2.txt", "w");
    if (fp1 == NULL || fp2 == NULL)
    {
        printf("文件打开失败！\n");
        return;
    }
    else
    {
        c = fgetc(fp1);
        while (c != EOF)
        {
            fputc(c, fp2);
            c = fgetc(fp1);
        }
    }
    fclose(fp1);
    fclose(fp2);
}
void en()
{
    FILE* fp1;
    FILE* fp2;
    char c;
    h = 1;
    fp1 = fopen("t.txt", "r");
    fp2 = fopen("t2.txt", "w");
    if (fp1 == NULL || fp2 == NULL)
    {
        printf("文件打开失败！\n");
        return;
    }
    else
    {
        c = fgetc(fp1);
        while (c != EOF)
        {
            y[yb] = c; yb++;
            h++;
            if (c == ' ' || c == 'z' || c == '9' || c == '0' || c == 'a' || c == '.')//遇到指定字符更改密码属性
            {
                h--;
            }
                fputc((mb, c + h), fp2);
            m[mb] = (mb, c + h); mb++;
            c = fgetc(fp1);
        }
        y[yb + 1] = '\0';
        m[mb + 1] = '\0';
    }
    fclose(fp1);
    fclose(fp2);
    printf("原文为：\n");
    puts(y);
    printf("密文为：\n");
    puts(m);

}
void de()
{
    FILE* fp1;
    FILE* fp2;
    char c;
    h = 1;
    fp1 = fopen("t2.txt", "r");
    fp2 = fopen("t3.txt", "w");
    if (fp1 == NULL || fp2 == NULL)
    {
        printf("文件打开失败！\n");
        return;
    }
    else
    {
        c = fgetc(fp1);
        while (c != EOF)
        {
            y[yb] = c; yb++;
            h++;
            if (c == ' ' || c == 'z' || c == '9' || c == '0' || c == 'a' || c == '.')//遇到指定字符重置密码属性
            {
                h--;
            }
                fputc((jmb, c - h), fp2);
            jm[jmb] = (jmb, c - h); jmb++;
            c = fgetc(fp1);
        }
        //y[yb+1]='\0';
        jm[jmb + 1] = '\0';
    }
    fclose(fp1);
    fclose(fp2);
    printf("密文为：\n");
    puts(m);
    printf("解密文为：\n");
    puts(jm);
}
int main()
{
    int choice;
    int n = 250;
    while (n--)
    {
        //system("cls");
        printf("欢迎使用文件加密系统！\n");
        printf("请输入您的选择\n");
        printf("1.加密文件 2.解密文件 3.退出系统\n");
        scanf("%d", &choice);
        switch (choice)
        {
        case 1:
            en();
            break;
        case 2:
            de();
            break;
        case 3:
            printf("非常感谢您的使用！期待与您下次相见\n");
        default:
            printf("输入选择有误！请重新输入：");
            scanf("%d", &choice);
            break;
        }
    }
    system("pause");
    return 0;
}