#include <stdio.h>
#include <stdlib.h>
+#include <string.h>
#ifndef MSDOS
#ifndef VMS
#include <openssl/opensslconf.h>
#include <math.h>
#endif /* __DECC */
#endif /* VMS */
-#else
+#else /* MSDOS */
#include <io.h>
#endif
#include <openssl/des.h>
#include <openssl/rand.h>
-#if defined(__STDC__) || defined(VMS) || defined(M_XENIX) || defined(MSDOS)
-#include <string.h>
-#endif
-
void usage(void);
void doencryption(void);
int uufwrite(unsigned char *data, int size, unsigned int num, FILE *fp);