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gnutls_x509_trust_list_get_issuer(3)nutlsnutls_x509_trust_list_get_issuer(3)
       gnutls_x509_trust_list_get_issuer - API function
       #include <gnutls/x509.h>
       int gnutls_x509_trust_list_get_issuer(gnutls_x509_trust_list_t list,
       gnutls_x509_crt_t cert, gnutls_x509_crt_t * issuer, unsigned int
       flags);
       gnutls_x509_trust_list_t list
                   The list
       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
                   flags from gnutls_trust_list_flags_t (GNUTLS_TL_GET_COPY
                   is applicable)
       This function will find the issuer of the given certificate.  If the
       flag GNUTLS_TL_GET_COPY is specified a copy of the issuer will be
       returned which must be freed using gnutls_x509_crt_deinit().  In that
       case the provided  issuer must not be initialized.
       Note that the flag GNUTLS_TL_GET_COPY is required for this function
       to work with PKCS11 trust lists in a thread-safe way.
       On success, GNUTLS_E_SUCCESS (0) is returned, otherwise a negative
       error value.
       3.0
       Report bugs to <bugs@gnutls.org>.
       Home page: http://www.gnutls.org
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gnutls                              3.6.1gnutls_x509_trust_list_get_issuer(3)