Programing In C is a certification course for everyone who have basic knowledge of computer.
Fundamental In CView Details
The basic elements used to construct a simple C program are: the C character set, identifiers and keywords, data types, constants, arrays, declarations , expressions and statements. Let us see how these elements can be combined to form more comprehensive program components.
Operators And ExpressionsView Details
The symbols which are used to perform logical and mathematical operations in a C program are called C operators. These C operators join individual constants and variables to form expressions. Operators, functions, constants and variables are combined together to form expressions.
Data TypesView Details
Each variable in C has an associated data type. Each data type requires different amounts of memory and has some specific operations which can be performed over it. Let us briefly describe them one by one:
char: The most basic data type in C. It stores a single character and requires a single byte of memory in almost all compilers.
int: As the name suggests, an int variable is used to store an integer.
float: It is used to store decimal numbers (numbers with floating point value) with single precision.
double: It is used to store decimal numbers (numbers with floating point value) with double precision.
Input-Output Library FunctionView Details
The C programming language provides many standard library functions for file input and output. These functions make up the bulk of the C standard library header .
For data input and output, C provides a collection of library functions such as getchar, putchar, scanf, printf, gets and puts. These functions enable the transfer of data between the C program and standard input/output devices.
Control StatementView Details
Loop control statements in C are used to perform looping operations until the given condition is true. Control comes out of the loop statements once condition becomes false.
Command line ArgumentView Details
It is possible to pass some values from the command line to your C programs when they are executed. These values are called command line arguments and many times they are important for your program especially when you want to control your program from outside instead of hard coding those values inside the code.
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