built-in function 'exp' declared as non-function

[graham stott via gcc-help]

-------- Original message --------
From: phi gcc <phi.gcc@gmail.com> 
Date: 11/04/2019  18:34  (GMT+00:00) 
To: Jonathan Wakely <jwakely.gcc@gmail.com> 
Cc: Martin Sebor <msebor@gmail.com>, gcc-help <gcc-help@gcc.gnu.org> 
Subject: Re: built-in function 'exp' declared as non-function 

Exp when used requires both math.h and -lmDoes it make it an stdlib ?I am new to this vocable sounds like stdlib is the sum of a bunch of .h andmay .a .so, with bunch meaning the list can grow at will.I must have missed something .... 😀