These are the only two places where this glibc-specific
header is included. However none of the definitions in it
seem to be used, so just remove the includes.
#include <stdio.h>
#include <getopt.h>
#include <stdio.h>
#include <getopt.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <getopt.h>
#include <stdio.h>
#include <getopt.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>