34.what are bitwise shift operators?
35.what are bit fields? What is the use of bit fields in a
structure declaration?
36.what is the size of an integer variable?
37.what are the files which are automatically opened when a
c file is executed?
38.what is the little endian and big endian?
39.what is the use of fflush() function?
40.what is the difference between exit() and _exit() functions?
41.where does malloc() function get the memory?
42.what is the difference between malloc() and calloc()
function?

43.what is the difference between postfix and prefix unary
increment operators?

Answer Posted / arthy

39. fflush() is a function used to refresh the buffer in
case of files..
once fflush() function is executed all the contents in the
buffer are put into the specific files and the buffer is
emptied..

Is This Answer Correct ?    5 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is difference between union and structure in c?

568


What is this pointer in c plus plus?

586


How many parameters should a function have?

659


What are dangling pointers in c?

633


Explain two-dimensional array.

617






what is ur strangth & weekness

1810


Can a variable be both static and volatile in c?

600


What is the difference between a string and an array?

701


a function gets called when the function name is followed by a a) semicolon (;) b) period(.) c) ! d) none of the above

858


what is uses of .net

1264


What happens if header file is included twice?

646


Write a function which takes as parameters one regular expression(only ? and * are the special characters) and a string and returns whether the string matched the regular expression.

642


Do you know the difference between exit() and _exit() function in c?

603


What is struct node in c?

612


Explain the priority queues?

617