#include <string.h> /* for strdup() */
#include <errno.h>
#include <ctype.h> /* for isspace() */
+#include <stdlib.h>
#include "busybox.h"
/* externs */
+extern void xregcomp(regex_t *preg, const char *regex, int cflags);
extern int optind; /* in unistd.h */
extern char *optarg; /* ditto */