⟩ What is fflush() function?
In ANSI, fflush() [returns 0 if buffer successfully deleted / returns EOF on an error] causes the system to empty the buffer associated with the specified output stream.
In ANSI, fflush() [returns 0 if buffer successfully deleted / returns EOF on an error] causes the system to empty the buffer associated with the specified output stream.
For what purpose null pointer used?
Tell me when is a void pointer used?
How many levels of pointers have?
Explain indirection?
A pointer is A. A keyword used to create variables B. A variable that stores address of an instruction C. A variable that stores address of other variable D. All of the above
What would be the equivalent pointer expression for referring the array element a[i][j][k][l] A. ((((a+i)+j)+k)+l) B. *(*(*(*(a+i)+j)+k)+l) C. (((a+i)+j)+k+l) D. ((a+i)+j+k+l)
Do you know NULL pointer?
How many bytes are occupied by near, far and huge pointers (DOS)? A. near=2 far=4 huge=4 B. near=4 far=8 huge=8 C. near=2 far=4 huge=8 D. near=4 far=4 huge=8
Tell me with an example the self-referential structure?
If a variable is a pointer to a structure, then which of the following operator is used to access data members of the structure through the pointer variable? A. . B. & C. * D. ->