C Tutorial/Language/Variable Output
Printing Variable Contents
Use the printf function with formatting options.
<source lang="cpp">#include <stdio.h>
main(){
int x; float y; char c; x = -4443; y = 554.21; c = "M"; printf("\nThe value of integer variable x is %d", x); printf("\nThe value of float variable y is %f", y); printf("\nThe value of character variable c is %c\n", c);
}</source>
The value of integer variable x is -4443 The value of float variable y is 554.210022 The value of character variable c is M
Conversion specifiers are made up of two characters: % and a special character.
The special character tells the program how to convert the data.
Conversion Specifier Description %d Displays integer value %f Displays floating-point numbers %c Displays character