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-rw-r--r--manual/examples/longopt.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/manual/examples/longopt.c b/manual/examples/longopt.c
index d5c841f24a..9d6bd53c0f 100644
--- a/manual/examples/longopt.c
+++ b/manual/examples/longopt.c
@@ -1,4 +1,6 @@
 #include <stdio.h>
+#include <stdlib.h>
+#include <getopt.h>
 
 /* Flag set by @samp{--verbose}.  */
 static int verbose_flag;