Printf

The function is defined as follows:

int printf(char *format, arg list ...) - prints to stdout the list of arguments according specified format string. Returns number of characters printed.

The format string has 2 types of object:

• ordinary characters - these are copied to output.
• conversion specifications - denoted by %and listed in Table .

Between %and format char we can put:

- (minus sign)

- left justify.

integer number

- field width.

m.d

- m = field width, d = precision of number of digits after decimal point or number of chars from a string.

 

So:

The output on the screen is:

and:

...outputs: