gnutls_x509_crq_get_dn - API function
int gnutls_x509_crq_get_dn(gnutls_x509_crq_t crq, char * buf, size_t * buf_size);
This function will copy the name of the Certificate request
subject to the provided buffer. The name will be in the form
"C=xxxx,O=yyyy,CN=zzzz" as described in RFC 2253. The output
buf will be ASCII or UTF-8 encoded, depending on the certificate data.
This function does not output a fully RFC4514 compliant string, if that is required see gnutls_x509_crq_get_dn3().
GNUTLS_E_SHORT_MEMORY_BUFFER if the provided buffer is not long enough, and in that case the * buf_size will be updated with the required size. On success 0 is returned.
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