Library Functions - C Programming Questions and Answers

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What will be the output of the program?

  #include
  int main()
  {    
     int i;   
     char c;  
     for(i=1; i5; i++)   
     {        
        scanf("%c", &c); /* given input is 'b' */         
       ungetc(c, stdout);           
       printf("%c", c);         
       ungetc(c, stdin);   
    }    
    return 0;
 }