What is putchar() function?
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Which is an example of a structural homology?
difference between string and array?
What is a constant and types of constants in c?
can we change the default calling convention in c if yes than how.........?
What are global variables?
15.what is the disadvantage of using macros? 16.what is the self-referential structure? 17.can a union be self-referenced? 18.What is a pointer? 19.What is the Lvalue and Rvalue? 20.what is the difference between these initializations? 21.Char a[]=”string”; 22.Char *p=”literal”; 23.Does *p++ increment p, or what it points to?
Explain how do you list files in a directory?
What is the difference between if else and switchstatement
What is indirection? How many levels of pointers can you have?
Write a small C program to determine whether a machine's type is little-endian or big-endian.
write a C program: To search a file any word which starts with ?a?. If the word following this ?a? starts with a vowel.Then replace this ?a? with ?a? with ?an?. redirect with the output onto an output file.The source file and destination file are specified by the user int the command line.
What is a shell structure examples?