Collin Funk a2a773992d manual: Fix missing declaration in twalk example. ...

Without _GNU_SOURCE defined this file fails to compile with the
following error:

    $ gcc manual/examples/twalk.c
    manual/examples/twalk.c: In function ‘twalk’:
    manual/examples/twalk.c:55:3: error: implicit declaration of function ‘twalk_r’; did you mean ‘twalk’? [-Wimplicit-function-declaration]
       55 |   twalk_r (root, twalk_with_twalk_r_action, &closure);
          |   ^~~~~~~
          |   twalk

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

2025-09-29 17:01:54 -07:00

1.7 KiB

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