Input and output in c language c programming

Input And Output
A Presentation By Niladri Das
Course BCA
Sec B
ID 23234030461
In C

Agenda
● Introduction
● Types of input output
● scanf()
● printf()
● getchar()
● putchar()
● gets()
● puts()
● Feedback

Introduction
In C programming, for input and output, operations are
supplied as functions in the standard library ( stdio.h ).
So, we can take the data through input functions and
sends results through output functions.
Agenda

Standard Input and Output
Unformatted
Function
Formatted
Function
Input Function
scanf()
Output Function
printf()
Input Function
getch()
getche()
getchar()
gets()
Output Function
putch()
putchar()
puts()
Types Of Input Output -
Agenda

Formatted Input Function
scanf()
Purpose : Reads formatted input from standard input
Format Specifiers :
%d : Integer input.
%f : Floating-point number input.
%c : Character input.
%s : String input.
Example :
Agenda

Formatted Output Function
printf()
Purpose : Performs formatted output to standard output.
Format Specifiers :
%d : Integer input.
%f : Floating-point number input.
%c : Character input.
%s : String input.
Example :
Agenda

Unformatted Input Function
getchar()
● This function reads a character type data from standard output
● It reads one character at a time till the user presses the enter key.
Syntax :
VariableName = getchar() ;
Example :
Agenda

Unformatted Output Function
putchar()
● This function prints one character on the screen at a time, read by the
standard input.
Syntax :
putchar(VariableName);
Example :
Agenda

Unformatted Input Function
gets()
This function is used for accepting any string until enter key is pressed.
Syntax :
gets(variable name);
Example :
Agenda

Unformatted Output Function
puts()
This function prints the string or character array.
It is opposite to gets().
Syntax :
puts(variable name);
Example :
Agenda

Feedback
● WhatsApp No 8777432423
● Email ID niladridas.23@nshm.edu.in
Agenda

Input and output in c language c programming

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