Re-coding of the printf function.
ft_printf works in the exact similar way as the standard C library function printf. It writes into the standard output and returns an int according to the amount of characters written.
Some functionalities of printf aren't included.
ft_printf works with: the flags #, 0, -, ' ', +, the minimum field with, precision, length modifiers hh, h, l, ll, L, conversions %%, c, s, p, d, i, o, u, x, X, f, and with wildcards.