The getopt(3) function is declared in unistd.h. Signed-off-by: Erik van Konijnenburg <ekonin@xs4all.nl> Index: exec/ipconfig/main.c ==================================================================--- exec.orig/ipconfig/main.c 2005-05-18 11:53:11.000000000 +0200 +++ exec/ipconfig/main.c 2005-05-21 13:09:54.000000000 +0200 @@ -12,6 +12,7 @@ #include <sys/types.h> #include <dirent.h> #include <fcntl.h> +#include <unistd.h> /* for getopts */ #include <linux/if_arp.h> Index: exec/nfsmount/main.c ==================================================================--- exec.orig/nfsmount/main.c 2004-10-10 20:02:39.000000000 +0200 +++ exec/nfsmount/main.c 2005-05-21 13:10:26.000000000 +0200 @@ -12,6 +12,7 @@ #include <string.h> #include <signal.h> #include <sys/wait.h> +#include <unistd.h> #include <linux/nfs_mount.h> --