Which library includes printf

Nothing printed. The corresponding argument must be a pointer to a signed int. The number of characters written so far is stored in the pointed location. Left-justify within the given field width; Right justification is the default see width sub-specifier. By default, only negative numbers are preceded with a - sign. Used with o , x or X specifiers the value is preceeded with 0 , 0x or 0X respectively for values different than zero. Used with a , A , e , E , f , F , g or G it forces the written output to contain a decimal point even if no more digits follow.

By default, if no digits follow, no decimal point is written. When we want to display some text or string to standard output unit then we can use printf as printf "Welcome to the world of C programming" ;. This statement simply prints Welcome to the world of C programming to the standard output unit. Here, header file stdio. So to use printf in our program we must include stdio. Once stdio. While programming, we often come to situation in which we need to print value of variable.

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