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


/*
 * End on a "***"
 */
char * * readStrings( int *itemsRead )
{
    static char buffer[ 1024 ];
    int i = 0;
    char * *arr;
    int N = 5;
    static int totalCalls = 0;

    printf( "Call #%d\n", totalCalls++ );

    arr = (char * *) malloc( N * sizeof( char * ) );

    for( ; ; )
    {
        printf( "Enter arr[%d]: ", i );

        if( i == N )
            arr = (char * *) realloc( arr, ( N *= 2 ) * sizeof( char * ) );

        
        if( scanf( "%1023s", buffer ) != 1 )
            break;

        if( strcmp( buffer, "***" ) == 0 )
            break;

        arr[ i ] = strdup( buffer );
        i++;
    }

    *itemsRead = i;
    return arr;
}

/* Return a string with N a's

*/
char *makeLongString( int N )
{
    char * buffer = (char *) malloc( ( N + 1 ) * sizeof( char ) );
    int i;

    strcpy( buffer, "" );
    for( i = 0; i < N; i++ )
        strcat( buffer + i, "a" );

    return buffer;
}

int main( )
{
    /*
    char * *arr;
    int N;
    int i;
    int j;


    
    for( j = 0; j < 3; j++ )
    {
        printf( "Enter an unlimited number of strings terminated by ***\n" );

        arr = readStrings( &N );
        for( i = 0; i < N; i++ )
            printf( "arr[%d]=%s\n", i, arr[ i ] );
    }
    */

    char *str = makeLongString( 200000 );
    printf( "%d\n", strlen( str ) );
    free( str );

    return 0;

}