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gnutls_certificate_get_issuer - API function
#include <gnutls/gnutls.h> int gnutls_certificate_get_issuer(gnutls_certificate_credentials_t sc, gnutls_x509_crt_t cert, gnutls_x509_crt_t* issuer, unsigned int flags);
gnutls_certificate_credentials_t sc is a gnutls_certificate_credentials_t structure. gnutls_x509_crt_t cert is the certificate to find issuer for gnutls_x509_crt_t* issuer Will hold the issuer if any. Should be treated as constant. unsigned int flags Use zero.
This function will return the issuer of a given certificate.
On success, GNUTLS_E_SUCCESS is returned, otherwise a negative error value.
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