What are predefined functions in c?
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process by which one bit patten in to another by bit wise operation is? (a) masking, (b) pruning, (c) biting, (d) chopping,
1.what are local and global variables? 2.what is the scope of static variables? 3.what is the difference between static and global variables? 4.what are volatile variables? 5.what is the use of 'auto' keyword? 6.how do we make a global variable accessible across files? Explain the extern keyword? 7.what is a function prototype? 8.what does keyword 'extern' mean in a function declaration?
What is the difference between malloc() and calloc() function in c language?
how to swap two integers 1 and 32767 without using third variable
what is software?
Explain how can I write functions that take a variable number of arguments?
What is the best way to store flag values in a program?
what will be the output of this program? void main() { int a[]={5,10,15}; int i=0,num; num=a[++i] + ++i +(++i); printf("%d",num); }
write a programme to enter some number and find which number is maximum and which number is minimum from enterd numbers.
When should we use pointers in a c program?
what is difference between userlevel threads and kernel level threads ?what are the trades offs between these two approaches ? what approach is most frequently used and why ?
regarding pointers concept