title: How do install C header files in Mac OSX Sierra?
body: <p>I have missing header files like malloc.h and conio.h in my MAC.. how do I install it?</p>
  
  <blockquote>
    <p>gcc linkedlistmenu.c
    linkedlistmenu.c:2:19: fatal error: malloc.h: No such file or directory</p>
  </blockquote>