Explain the properties of union. What is the size of a union variable
Differentiate fundamental data types and derived data types in C.
code for concatination of 2 strings with out using library functions?
Define Array of pointers.
a number whose only prime factors are 2,3,5, and 7 is call humble number,,write a program to find and display the nth element in this sequence.. sample input : 2,3,4,11,12,13, and 100.. sample output : the 2nd humble number is 2,the 3rd humble number is 3,the 4th humble number is ,the 11th humble number is 12, the 12th humble number is 14, the 13th humble number is 15, the 100th humble number is 450.
Explain the difference between call by value and call by reference in c language?
what is the differance between pass by reference and pass by value.
Explain high-order bytes.
Write a program to show the workingof auto variable.
What is the difference between malloc() and calloc()?
What is the use of the #include directive?
What are the data types present in c?
How can I check whether a file exists? I want to warn the user if a requested input file is missing.