sizeof Operator
What is sizeof operator? sizeof will return the number of bytes reserved for a variable or data type. The sizeof operator is a compile-time operator that returns an integer value. In other words sinc...
C
typecasting in C
How typecasting plays an important role in C C allows programmers to perform typecasting by placing the type name in parentheses and placing this in front of the value.
Nonlocal Jump and Unconditional Jump
What is Nonlocal Jump and Unconditional Jump? longjmp() and setjmp() functions implement a nonlocal jump of program execution. "longjmp" jumps to a program state previously recorded by "setjmp".
printf and sprintf
What is the difference between printf and sprintf? sprintf: Writes formatted data to a character string in memory instead of stdout
goto Statement
Why to avoid goto in C C has goto statement but one must ensure not to use too much of goto statement in their program because its functionality is limited and it is only recommended as a last resort...
Operator, Operand and Expression in C
Operator, Operand, and Expression in C Operators are symbols which take one or more operands or expressions and perform arithmetic or logical computations.
Prefix and Postfix Operator
How does the prefix and postfix operator on expression? The operators present in prefix and postfix are prefix increment operator denoted by ++ prefix decrement operator denoted by -- postfix increme...
Modulus Operator
What is the functionality and restrictions of Modulus Operator? When a division is performed, the remainder of the operation is given by modulus operator. The modulus operator is denoted in c by symb...
Swap two variables
How to swap two variables without using third variable? A variable is a named location in memory that is used to store data which can be modified in a program. Let us learn how to swap two variables ...
Precedence of Operators
What is precedence of operators? When number of operators occurs in an expression the operator which is to be evaluated first is judged by applying priority of operators. The arithmetic operators ava...