Chapter 3: Functions - Part 1
Topics:- Functions, Modular programming, Merits & Demerits of modular programming, Usage of a function
Chapter 3: Functions - Part 2
Topics:- Functions are classified into two: Predefined functions(built-in functions) and User-defined functions.
Predefined functions - 1. Console functions for character I/O - getchar(), putchar() -
2. Stream functions for I/O operations - get(), getline(), put(), write()
Chapter 3: Functions - Part 3
Topics:- Predefined functions - 3. String functions - strlen(), strcpy(), strcat(), strcmp(), strcmpi()
Chapter 3: Functions - Part 4
Topics:- Predefined functions - 4. Mathematical functions - abs(), sqrt(), pow() -
5. Character functions - isupper(), islower(), isalpha(), isdigit(), isalnum(), toupper(), tolower()
Chapter 3: Functions - Part 5
Topics:- User-defined functions - Four types - 1. Function with no arguments and no return value,
2. Function with no arguments but return value, 3.Function with arguments but no return value,
4.Function with arguments and return value
Chapter 3: Functions - Part 6
Topics:- User-defined functions continue....., Prototype of functions, Arguments(parameters) of functions
- formal arguments, actual (original) arguments, dummy arguments, default arguments
Chapter 3: Functions - Part 7
Topics:- Methods of calling functions - Call by Value method and Call by Reference method, Scope and life of variables and functions
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