I was asked to write a program in c which when executed displays how many no.of clients are connected to the server.

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What is the benefit of using an enum rather than a #define constant?

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How can I write data files which can be read on other machines with different word size, byte order, or floating point formats?

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Define the scope of static variables.

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Explain what are the standard predefined macros?

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Go through this linked list concept.While traversing through the singly linked list sometimes the following code snippet "while(head != NULL)" is used and other times "while(head->link != NULL)"is used(Here head is the pointer pointing to the first node,node has two parts data part and link part).What is the difference between head != NULL and Head->link != NULL and in which situation are they used?

1 Answers   Oracle,

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#include show(int t,va_list ptr1) { int a,x,i; a=va_arg(ptr1,int) printf(" %d",a) } display(char) { int x; listptr; va_star(otr,s); n=va_arg(ptr,int); show(x,ptr); } main() { display("hello",4,12,13,14,44); }

0 Answers   Wilco,

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main() { int i; printf("%d", &i)+1; scanf("%d", i)-1; }

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Can a pointer be null?

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What's the right way to use errno?

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write a c program for greatest of three numbers without using if statment

4 Answers   IBM,

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How would you sort a linked list?

1 Answers  

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