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C is a procedural and general-purpose programming language which supports lexical variable scope, structured programming, and recursion. C language is originally designed and developed by Dennis Ritchie at Bell Laboratory. The primary purpose of developing C language is to develop UNIX operating system.
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PRESENTATION OVERVIEW About C Programming Uses Of C Language Environment Setup Basic Structure Of C Program Data Types In C Variables In C C Programming Constants Storage Classes In C C Operators Decision Making Statement Loops In C C Programming Functions Arrays In C Pointers In C Strings In C C Structure Concept C Preprocessor Directives
ABOUT C PROGRAMMING C is a general-purpose, procedural and imperative programming language which was designed and developed Dennis Ritchie at Bell Laboratory. This language is mainly intended to re-implement the UNIX operating system. The file extensions of this imperative language are .c and .h. The C programming language has been recognized by the American National Standards Institute (ANSI). The Unix operating system, C compiler, and all UNIX application programs are written by using C programming language.
USES OF C LANGUAGE C is a structured programming language and easy to learn More efficient programs can be made by using C programming language The users can compile the C programs using various computer platforms The most famous Linux operating system and RDBMS MySQL are implemented using C programming language
ENVIRONMENT SETUP The users can setup the C programming language in their environment with the help of two essential tools such as text editor and the C compiler. The text editor is used to write the code. Some of the commonly using text editors are windows notepad, brief, OS edit command, etc. The C compiler is used to convert the human readable source file into machine language only then the CPU can perform execution process as per the instruction was given.
BASIC STRUCTURE OF C PROGRAM The complete C program should have the following parts:- Preprocessor commands 1) Variables 2) Functions 3) Comments 4) Statements 5) Expressions The C programming language has various tokens include the identifier, constant, string literal, keyword, and symbol.
DATA TYPES IN C Integer data types Floating point data types Enumerated types Void type Derived date types include the pointer, union, array, functions, and structure.
VARIABLES IN C A Variables The variables in C language are used to store the values that are manipulated by programs. Some of the primary variables are 1) char 2) int 3) float 4) void and 5) double.
C PROGRAMMING CONSTANTS A Constants Constants are fixed values which will not be changed during the execution of the program. The constants are often referred as literals. Some of the commonly used constants are 1) integer constant 2) character constant 3) floating constant and 4) string constant
STORAGE CLASSES IN C A Storage Classes Storage class means that the visibility and the lifetime of the variables and functions within the C program. Auto, static, extern and register are four types of storage classes available in C programming language.
C OPERATORS Arithmetic operators Logical operators Bitwise operators Assignment operators Relational operators, and Misc operators.
DECISION MAKING STATEMENT IN C The commonly used decision-making statements are given below. 1) If statement 2) If else statement 3) Nested if statement 4) Switch statement 5) Nested switch statement
LOOPS IN C The loop statements are used to perform the same task for multiple times. There are various types of loop statements available in C language are While loop Do while loop For loop and Nested loop.
C PROGRAMMING FUNCTIONS A function is a group of statements working together to perform a particular task. A perfect function includes some parts such as return type, function name, parameters, and function body.
ARRAYS IN C Thearrayisacollectionof similardatatypes. Allarrays haveadjacentmemorylocations whichareusedtostorethe values. Thearrayisalsoakind ofdatastructure.
POINTERS IN C The pointer is a variable that is used to store the address of another variable. The pointers in C programming language are easy to learn and use. Some complex works can be achieved easily using pointer concept. Moreover, dynamic allocation is not possible without using pointer concept. If you want to be a perfect programmer, it is necessary to learn pointer concept.
STRINGS IN C Numerousfunctionscanb achievedusingstring functions. Someofthemare givenbelow. 1) strcpy 2) strcat 3) strlen 4) strchr 5) strcmp 6) strstr
C STRUCTURE CONCEPT The structure is a collection of various data types. Union Type Typedef In C I/O files In C
C PREPROCESSOR DIRECTIVES The preprocessor is a text substitution tool which is used to provide instructions to the compiler to perform required preprocessing before starting compilation process. Some of the preprocessor directives are # define, #include, #undef, #ifdef, #if, etc. Type casting and memory management also add advantage to c programming.
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