FreeBSD: Warnings about c-ctype macros used but marked unused

[Tim Rühsen]

Compiling on FreeBSD 12 gives a warning per use of c_ macros, for example

http_parse.c:187:10: warning: 'c_isblank' was marked unused but was used
[-Wused-but-marked-unused]
                while (c_isblank(*s)) s++;


This is true also for c_isdigit, c_isspace, etc.

Is that expected behavior and if so, why ?

Regards, Tim

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