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Input Function
In any programming Language input mean to feed some data into program. It can be given in the form of life or command line. C provides sets of built in function to read data & feed to program as required.
- scanf(" ");
- getch/gets( ) // string
Formatted input function
It refers to an input data that has been arrange in particular formats.
Syntax :
scanf("Control string", &arg1, &arg2 .........);
Example :
Scanf("%d%f%c%s", &int, &float, &char, &string);
Unformatted input function
It is input/output function which is used for single character or string.
Get char( )
It is used to input single character only.
Syntax :
a = getchar( );
gets( )
It is a used to input multiple character or string including whitespace until a NULL character.
Syntax :
gets(string);
Example :
gets(name);
Output Function
In any programming language output mean display some data on string. C provides set of built in function to display or output required data.
- Printf(" ")
- Putch/puts( ) // string
Formatted output function
It refers to the output data that has been arranged in a particular formate.
Syntax :
printf("control string", arg1, arg2 ........)
Example :
Printf("%d%f%c%s", int, flout, char, string);
Unformatted output function
It is used to output single character or string.
Put char( )
It is used to display a single character.
Syntax :
putchar(character)
example :
putchar(a);
puts( )
It is used to display the string a number onto NULL character.
Syntax :
puts(string name);
Example
puts(name);
puts(address);
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