*.c, */*.c, *.h, */*.h, Makefile
all, clean, fclean, re, bonus
malloc, free, write, va_start, va_arg, va_copy, va_end
실제 printf의 모방 함수인 ft_printf가 포함된 라이브러리를 작성하십시오
Write a function which returns a line read from a file descriptor, without the newline