Update docs.

doc/crypto/d2i_X509.pod

@@ -7,6 +7,8 @@ i2d_X509_fp - X509 encode and decode functions
 
 =head1 SYNOPSIS
 
+ #include <openssl/x509.h>
+
  X509 *d2i_X509(X509 **px, unsigned char **in, int len);
  int i2d_X509(X509 *x, unsigned char **out);
 

doc/crypto/d2i_X509_REQ.pod

+=pod
+
+=head1 NAME
+
+d2i_X509_REQ, i2d_X509_REQ - PKCS#10 certificate request functions.
+
+=head1 SYNOPSIS
+
+ #include <openssl/x509.h>
+
+ DH *d2i_X509_REQ(X509_REQ **a, unsigned char **pp, long length);
+ int i2d_X509_REQ(X509_REQ *a, unsigned char **pp);
+
+ X509_REQ *d2i_X509_REQ_bio(BIO *bp, X509_REQ **x);
+ X509_REQ *d2i_X509_REQ_fp(FILE *fp, X509_REQ **x);
+
+ int i2d_X509_REQ_bio(X509_REQ *x, BIO *bp);
+ int i2d_X509_REQ_fp(X509_REQ *x, FILE *fp);
+
+=head1 DESCRIPTION
+
+These functions decode and encode a PKCS#10 certificate request.
+
+Othewise these behave in a similar way to d2i_X509() and i2d_X509()
+described in the L<d2i_X509(3)|d2i_X509(3)> manual page.
+
+=head1 SEE ALSO
+
+L<d2i_X509(3)|d2i_X509(3)>
+
+=head1 HISTORY
+
+TBA
+
+=cut