#include <stdio.h>

#define STRING_LENGTH 256

int main(int argc, char **argv)
{
        FILE *fp;
        char * pString;


        fp=fopen("test.txt", "w");

        printf("Please input a string:\n");

        fgets(pString, STRING_LENGTH, stdin);

        printf(pString);

        fprintf(fp, pString);
        fclose(fp);
        return 0;
}