pathmax: PATH_MAX: use pathconf only when available

[gnulib.git] / lib / gethostname.c

diff --git a/lib/gethostname.c b/lib/gethostname.c
index 169dd4e..acff351 100644 (file)
--- a/lib/gethostname.c
+++ b/lib/gethostname.c
@@ -19,6 +19,9 @@
 
 #include <config.h>
 
+/* Specification.  */
+#include <unistd.h>
+
 #ifdef HAVE_UNAME
 # include <sys/utsname.h>
 #endif