tinclude missing headers - granular - granular dynamics simulation
  HTML git clone git://src.adamsgaard.dk/granular
   DIR Log
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       ---
   DIR commit 77f4841b23dac005c3a158c00a2c03b42fce59e6
   DIR parent 05b91832152f7b9b8a44ecfe460b965eb864cac6
  HTML Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Sat, 27 Mar 2021 21:35:02 +0100
       
       include missing headers
       
       Diffstat:
         M granular.c                          |       1 +
         M granular2vtu.c                      |       2 ++
       
       2 files changed, 3 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/granular.c b/granular.c
       t@@ -1,5 +1,6 @@
        #include <stdlib.h>
        #include <err.h>
       +#include <unistd.h>
        #include "simulation.h"
        #include "arg.h"
        
   DIR diff --git a/granular2vtu.c b/granular2vtu.c
       t@@ -1,4 +1,6 @@
        #include <stdlib.h>
       +#include <unistd.h>
       +#include <err.h>
        #include "simulation.h"
        
        int