#include<stdio.h>
#include<string.h>
void reverse(char* buf,char* b)
{   
    int  i=0;
    int j,k=0;
    for(i=strlen(buf)-1;i>=0;i--)
    {
        if(buf[i]==' ')
        {
            for(j=i+1;buf[j]&&buf[j]!=' ';j++)
                {
                b[k++] = buf[j];
                }
                b[k++] = ' '
 
;
        }
    }
    for(i=0;buf[i]!=' ';i++)
        b[k++] = buf[i];
        b[k] = '\0';
}
void main()
{
    FILE *fp,*obj;
    unsigned int i=0;
    char c,buf[100],b[100];
    fp=fopen("src.txt","r");
    while ((c=fgetc(fp))!=EOF)
    {   
        buf[i++]=c;
    }
    buf[i]='\0';
    for(i=0;buf[i]!='\0'
 
;i++){
        printf("%c",buf[i]);
    }
    printf("\n");
    reverse(buf,b);
    obj=fopen("obj.txt","w");
    for(i=0;i<strlen(b);i++)
    {
        printf("%c",b[i]);
        fputc(b[i],obj);
    }   
    fprintf(obj,"%s",b);
    fclose(fp);
    fclose(obj);
    printf("\n");
}