Explain a pre-processor and its advantages.
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What is const and volatile in c?
What is the meaning of 2d in c?
What is the difference between if else and switchstatement
program to find error in linklist.(i.e find whether any node point wrongly to previous nodes instead of next node)
What is a union?
Please write the area of a RIGHT ANGLED TRIANGLE.
How to throw some light on the b tree?
c program to subtract between two numbers without using '-' sign and subtract function.
Explain what could possibly be the problem if a valid function name such as tolower() is being reported by the c compiler as undefined?
1) There is a singing competition for children going to be conducted at a local club. Parents have been asked to arrive at least an hour before and register their children’s names with the Program Manager. Whenever a participant registers, the Program Manager has to position the name of the person in a list in alphabet order. Write a program to help the Program Manager do this by placing the name in the right place each time the Program Manger enters a name. The Logic should be written in Data Structures?
44.what is the difference between strcpy() and memcpy() function? 45.what is output of the following statetment? 46.Printf(“%x”, -1<<4); ? 47.will the program compile? int i; scanf(“%d”,i); printf(“%d”,i); 48.write a string copy function routine? 49.swap two integer variables without using a third temporary variable? 50.how do you redirect stdout value from a program to a file? 51.write a program that finds the factorial of a number using recursion?
Why is not a pointer null after calling free? How unsafe is it to use (assign, compare) a pointer value after it is been freed?