Input / Output

Practice Input / Output – What will be output of the following “c” code?

take int=4,float=8,char=1

 main() {

 FILE *fp;

 printf("%d",sizeof(fp) );

 }

Practice Input / Output – If a file contains the line “I am an Indian

” then on reading this line into the array str using fgets().

what would str contain?

Practice Input / Output – If the content of a file (input) is abc def. What will be the value of input and ch?.

#include 



char input[100],ch;



void main(void)



{



FILE *fp;



fp = fopen("input","rb");



fscanf(fp, "%s" ,&input);



fscanf(fp, "%c" ,&ch);



printf("%s %c", input, ch);



}

Practice Input / Output – Which is true about fputs returns?

Practice Input / Output – The expression ((fpt = fopen (“Samples”, “w”)) == NULL) would be true if

Practice Input / Output – The function fopen (“filename”,”r”) returns

Practice Input / Output – What is the following C Program doing?

void main ()



{



 char line [80];



 gets (line);



 puts (line);



}

Practice Input / Output – In the following statement, the variable fpt is

fprintf(fpt, “%n”, i);

Practice Input / Output – The function fprintf is used in a program

Practice Input / Output – x = fopen (b, c) what is b?

Practice Input / Output – float x, y, z;
scanf (“%f %f”, &x, &y);

If input stream contains “4.2 3 2.3 …”
What will x and y contain after scanf?