Scanf and Address Operator in C

scanf(): C library is a Collection of Header files. Header file contains Variables and Functions. printf() and scanf() functions belongs to stdio.h header file. Printf() function is used to display the information on Monitor(standard output). …

ASCII in C

Character System: The representation of all symbols in a language using constant integer values. For example ASCII ASCII: ASCII stands for “Americans Standard Code for Information Interchange” ASCII represents the language using 1 byte range(0 …

char data type in c

Character data type: ‘char’ is the keyword used to declare character data type in C program. Using char data type, we can store alphabets, digits and special symbols. We must specify the character using single …

Data types in C

Data types: In the declaration of variable it is mandatory to specify its data type. Data type is providing information about What type of data is allowed to store? What is the memory block size? …

Variable Rules in C

Rules for constructing variable names A Variable name consists of any combination of alphabets, digits and underscores. The length of identifier may be up to 31 characters but only the first 8 characters are significant …

Global variables in C

Global variables: Declaration of variables outside to all the functions. We generally declare the local variables above all functions in source code. Global variables automatically initializes with default values. Datatype Default value Int 0 Float …

Local Variables in C

Local variables: Declaration of variable inside block or function. We need to understand the terminology before use of variables in the application. The following diagram explains clearly about different variable statements. Local variable is automatically …

Variables in C

Variable: The most important concept of every programming language is Variables. The main aim of every application is store and process the information. We store the information into memory using variables. Definition: Variable is an …

Basic Function Codes in C

Executing main() function: C program execution starts with main() function. OS invokes main() method automatically to start the execution. C source program is a collection of functions. We can define n number of functions along …

C IDEs

IDE: IDE stands for “Integrated Development Environment” It is complex to edit , compile and run C program manually from command prompt. IDE is software by which we can easily create and run C applications. …