cc-1506 cc: REMARK File = ../../curl/ares/ares__read_line.c, Line = 46
There is an implicit conversion from "unsigned long" to "int"; rounding, sign
extension, or loss of accuracy may result.

if (!fgets(*buf + offset, *bufsize - offset, fp))

configure stuff

and we can't depend on configure-defines in it. This logic is borrowed from
the public curl headers.

to warn

they may not be of the size size

pointer arithmetic (ptr1 - ptr2) and to do that properly on 64bit we need
long

on Windows.

figure it out here anymore to build debug builds.

When using it, we now set the include path to better find the devel curl
headers, and we check for the socklen_t type since the curl memdebug stuff
needs it.