☆#IND_exit

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

#define SCHSTR "#IND"
#define std_in "<stdin>"

//-----------------------------------------------------------------
void usage(char* cmd);
void chop_crlf(char* buff);
char* search(char* text, char* key);
//-----------------------------------------------------------------

int main(int argc, char* argv[])
{
    FILE *fpi,*fpo;
    int i,count;
    char *cmd, *p;
    const char* ifile = std_in;
    char* schstr = SCHSTR;
    char buf[512];
    //--------------------------------------------------
    // 引数の読込み
    //--------------------------------------------------
    /*
    cmd = argv[0];
    if ( argc<3 )
    {
        usage(cmd);
        return 0;
    }

    for ( i=1; i<argc; i++ )
    {
        if ( !strcmp(argv[i],"-s") )
        {
            if ( ++i >= argc )
            {
                usage(cmd);
                return 0;
            }
            schstr = argv[i];
        } else ifile = argv[i];
    }
     */

    if(argc!=3)
    {
        fprintf(stderr,"Usage: %s\n(1)Input_#IND_filename\n(2)Output_NON_#IND_filename\n",argv[0]);
        exit(1);
    }
    if((fpi=fopen(argv[1],"r"))==NULL)
    {
        printf ("The file can't be opened. The program is exit.\n");

        return 0;
    }

    /*
    //--------------------------------------------------
    // ファイル入力
    //--------------------------------------------------
    if ( strcmp(ifile,std_in) )
    {
        if ( ( fp = fopen(ifile,"r") ) == NULL )
        {
            fprintf(stderr,"No such file or directory.\n");
            return -1;
        }
    }
    else
        fp = stdin; // 標準入力より入力
    */

    if((fpo=fopen(argv[2],"w"))==NULL)
    {
        printf("The file can't be opened. The program is exit.\n");

        return 0;
    }


    printf("\nsearch string: %s\n",schstr);
    //printf("   input file: %s\n",ifile);


    //--------------------------------------------------
    // 文字列の検索
    //--------------------------------------------------
    i = count = 0;
    memset(buf,0,sizeof(char)*512);

    while ( fgets(buf,512,fpi) )
    {
        //i=i+1;
        //chop_crlf(buf);
        p=strstr(buf,schstr);
        //p = search(buf,schstr);
        //printf("%d:%s\n",i,buf);
        //while ( p != NULL )
        if(p==NULL)
        {
            //printf("%d: %s\n",i,buf);
            fprintf(fpo,"%s\n",buf);
        }

        /*
        while ( p = NULL )
        {
            count ++;
           // printf("%d: %s [%s]\n",i+1,p,buf);
            printf("%d: %s\n",i,buf);
            //p = search(p+strlen(schstr),schstr);
        }
         */
        i++;
        memset(buf,0,sizeof(char)*512);
    }

    fclose(fpi);
    fclose(fpo);
    if ( !count )
        printf("string not found\n");

    return 0;
}
//-----------------------------------------------------------------
// コマンドヘルプ
//-----------------------------------------------------------------
void usage(char* cmd)
{
    fprintf(stderr,"usage: %s file -s <search string>\n",cmd);
}
//-----------------------------------------------------------------
// 改行コードの除去
//-----------------------------------------------------------------
void chop_crlf(char* buff)
{
    int i,bufleng = strlen(buff);
    for ( i=0; i<bufleng; i++ )
    {
        if ( buff[i] == '\r' ) buff[i] = 0;
        if ( buff[i] == '\n' ) buff[i] = 0;
    }
}
//-----------------------------------------------------------------
// 文字列の検索
//-----------------------------------------------------------------
char* search(char* text, char* key)
{
    int k,m,n;
    char *p;
    char skip[512];
    n = strlen(key);
    m = strlen(text);
    for ( k=0; k<512; k++ ) skip[k] = n;
    for ( k=0; k<n-1; k++ ) skip[(int)key[k]] = n-1-k;
    p = text+n-1;
    while ( p < text+m )
    {
        if ( *p == key[n-1] )
        {     // 右端の文字だけ比較
            if ( strncmp(p-n+1,key,n) == 0 ) // キー全体を比較
                return (p-n+1);
        }
        p = p+skip[(int)*p];     // サーチ位置を進める
    }
    return NULL;
}