UNIT-I (Array)

Definition

Declaration & initialization of 1D

Accessing array elements

Displaying array elements

Sorting arrays

Arrays and function

Declaration & initialization of 1D

Accessing and Displaying

Memory representation of array [Row Major, Column Major]

Multidimensional array

UNIT-II (Pointers)

Definition

Declaration & initialization

Indirection operator

address of operator

pointer arithmetic

dynamic memory allocation

arrays and pointers

function and pointers

UNIT-III (Strings)

Definition

Declaration & initialization

standard library function strlen()

strlen(),strcpy(), strcat() ,strcmp()

Implementation without using standard library functions

UNIT-IV (Structures)

Definition

Declaration & initialization

Accessing fields

structure operations

Nested structures

Union: Definition declaration

Differentiate between Union and structure

UNIT-V (C Preprocessor)

Definition

Macro substitution directives

File inclusion directives

Conditional compilation
Bitwise Operators
Shift operators
Masks
Bitfield

UNIT-VI (File Handling)

Definition of Files,

Opening modes of files

Standard function
fopen(), fclose(), feof() fseek(), fewind()

Using text files
fgetc(), fputc(), fscanf()

Program's in C

Definition of Files

A file is a collection of data stored in one unit, identified by a filename. It can be a document, picture, audio or video stream, data library, application, or other collection of data.

the most important file management functions available in 'C,'

function	purpose
fopen ()	Creating a file or opening an existing file
fclose ()	Closing a file
fprintf ()	Writing a block of data to a file
fscanf ()	Reading a block data from a file
getc ()	Reads a single character from a file
putc ()	Writes a single character to a file
getw ()	Reads an integer from a file
putw ()	Writing an integer to a file
fseek ()	Sets the position of a file pointer to a specified location
ftell ()	Returns the current position of a file pointer
rewind ()	Sets the file pointer at the beginning of a file