#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<conio.h>
#include<time.h>
void main()
{
    time_t t;
    time(&t);
    FILE *p1,*p2;
    char a[10],d[10];
    int b,sc=1;//s->Sreaching
    int sj=0;
    int sline=1,number=0;
    char word[10];
    char scell[10];
    char k='y';
    int hj=1,hi=0;//h->huoye
    int hline=0;
    int ha;
    char hk='y';
    char hcell[2000];
    /************************Starting****************************************/
    printf("\n");
    printf("         ************       Huappy    Using !         *******\n");
    printf("   ************Welcome To The System Of Searching.***********\n");
    printf("                      Nowing Time:%s",ctime(&t)    );
    printf("\n\n\n");
    printf("\n\n               1.Starting                                ");
    printf("\n\n               2.Exit()                                  ");
    printf("\n\n                     3.Enter your wantting:\n");
    scanf("%d",&b);
    while(b==2)
        exit(0);
    system("cls");
    /**********************Opening Files*************************************/
    printf("\n\n\n");
    printf("         ************       Huappy    Using !         *******\n");
    printf("        ************Welcome To The System Of Searching.******\n");
    printf("                      Nowing Time:%s",ctime(&t)    );
    printf("\n\n\n\n");
    printf("                         1.Enter your want to open file:");
    printf("\n\n                  2.Exit()                             ");
    printf("\n\n                         3.Enter your wantting:\n");
    scanf("%d",&b);getchar();
    while(b==2)
        exit(0);
    system("cls");
    /*************************************Opening Files**********************/
    printf("\n\n\n\n\n");
    printf("         ************       Huappy    Using !         ******\n");
    printf("        ************Welcome To The System Of Searching.*******n");
    printf("                      Nowing Time:%s",ctime(&t)    );
    printf("\n\n\n\n\n");
    printf("                         1.Enter your want to open file:");    
    scanf("%s",a);
    strcpy(d,a);
    system("cls");
    /*************************************Xianshi*********************************/
    printf("         ************              File                 ******\n")
    if((p1=fopen(a,"r+"))==NULL)//活区显示：出错了
    {
        printf("cannot open file\n");
    }
    hcell[hj]=fgetc(p1);       
    while(hcell[hj]!=EOF)
    {   
        if(hk=='y')
        {
            while(hi<20)
            {   
                hline++;
                printf("line:%d",hline);
                while(hcell[hj]!=10)
                {  
                    printf("%c",hcell[hj]);
                    hj++;
                    hcell[hj]=fgetc(p1);
                    if(hcell[hj]==EOF)
                        hcell[hj]='\0';
                }
                printf("\n");
                hi++;
                hcell[hj]=fgetc(p1);
                if(hi==20)
                {
                    printf("\n\n");
                    printf("         1.Contine\n");
                    printf("         2.Ending\n");
                    printf("           3.Exit\n");
                    printf("         4.Entering:");
                    scanf("%d",&ha);
                    if(ha==1)
                    {
                        hk='y';
                        hi=0;
                        system("cls");
                    }
                    while(ha==3)
                        exit(0);
                    
                }
                    //printf("  1.Contine\n");//
                   // printf("    2.Exit\n");
                   // printf("         3.Entering:");
                   // scanf("%d",&b);
                   // while(b==2)
                       // exit(0);
                
            }
            
        }
        
    }
    
    fclose(p1);
    system("cls");
    /*************************Entering***************************************/
    if((p2=fopen(d,"a+"))==NULL)
    {
        printf("cannot open file\n");
    }
    while(k=='y')
    {
        printf("\n\n");
        printf("         ************       Huappy    Using !         ***********\n");
        printf("        ************Welcome To The System Of Searching.***********\n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        printf("\n\n");
        printf("                         1.Enter wanting word           ");
        printf("\n\n");
        printf("                         2.Exit()                                  ");
        printf("\n\n");
        printf("                         3.Enter your wantting:\n");
        scanf("%d",&b);
        while(b==2)
            exit(0);
        system("cls");
        /*************************************Entering************************************************/
        printf("\n\n");
        printf("         ************       Huappy    Using !         ***********\n");
        printf("        ************Welcome To The System Of Searching.***********\n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        printf("\n\n");
        printf("                         1.Enter wanting word           ");
        scanf("%s",&word);
        system("cls");
        /*****************************searching***********************/
        printf("         ************       Huappy    Using !*****\n");
        printf("        ************            searching      ***\n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        scell[sj]=fgetc(p2);       
        while(scell[sj]!=EOF)
        {
            while(scell[sj]!=10)
            {    
                while(scell[sj]!=' ')
                {
                    sj++;
                    scell[sj]=fgetc(p2);    
                    
                }
                scell[sj]='\0';
                if(strcmp(word,scell)==0)
                {   
                    number++;
                    if(sc==sline)
                    {
                        sc++;
                    printf(" line:%d\n",sline);
                    }
                    printf("number:%d\n",number);
                }
                sj=0;
                scell[sj]=fgetc(p2);    
            }
            sline++;
            sc=sline;
            scell[sj]=fgetc(p2);
            
        }
        printf("\n\n");
        printf("                         1.Contine           ");
        printf("\n\n");
        printf("                         2.Exit()               ");
        scanf("%d",&b);
        while(b==2)
            exit(0);
        system("cls");
        
        /*************************************Adding *************/
        printf("         ************       Huappy    Using !     \n");
        printf("        ************            Adding      \n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        //在制定行中插入文本 格式i<行数><回车><文本><回车>
        
        
        printf("\n\n");
        printf("                         1.Contine           ");
        printf("\n\n");
        printf("                         2.Exit()                                  ");
        scanf("%d",&b);
        system("cls");
        /********************** Deleting*********************/
        printf("         ************       Huappy    Using !     \n");
        printf("        *******           Deleting        \n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        //行删除格式d<行号>[t<行号>]<回车>
        
        
        
        
        printf("\n\n");
        printf("                         1.Contine           ");
        printf("\n\n");
        printf("                         2.Exit()                                  ");
        scanf("%d",&b);
        system("cls");
        fclose(p2);
    /**********************Printing******************************/
        printf("\n\n\n");
        printf("         ********    Huappy    Using !         \n");
        printf("        *****Welcome To The System Of Searching.*\n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        
        
        
        
        
        system("cls");
        /***********************Ending*******************/
        printf("\n\n");
        printf("        *Welcome To The System Of Searching.*\n");
        printf("         ***      Thinking    Using !         **\n");
        printf("                      Nowing Time:%s",ctime(&t)    );
        printf("\n\n");
        printf("                         1.Contine           ");
        printf("\n\n");
        printf("                         2.Exit()                                  ");
        printf("\n\n");
        printf("                         3.Enter your wantting:\n");
        scanf("%d",&b);
        while(b==2)
            exit(0);
        while(b==1)
            k='y';
        system("cls");
    }
    system("cls");
    
}
帮忙看看啊。