#pragma once

 #include <gpgme.h>

 // init

 typedef const char * (*gpgme_check_version_t)(const char*);

 typedef gpgme_error_t (*gpgme_get_engine_info_t)(gpgme_engine_info_t *INFO);

 typedef gpgme_error_t(*gpgme_set_locale_t)(gpgme_ctx_t CTX, int CATEGORY,

     const char *VALUE);

 typedef gpgme_error_t(*gpgme_new_t)(gpgme_ctx_t *CTX);

 typedef void(*gpgme_release_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_set_protocol_t)(gpgme_ctx_t CTX,

     gpgme_protocol_t PROTO);

 typedef void(*gpgme_set_armor_t)(gpgme_ctx_t CTX, int YES);

 // data

 typedef gpgme_error_t(*gpgme_data_new_t)(gpgme_data_t *DH);

 typedef gpgme_error_t(*gpgme_data_new_from_mem_t)(gpgme_data_t *DH,

     const char *BUFFER, size_t SIZE, int COPY);

 typedef gpgme_error_t (*gpgme_data_new_from_cbs_t)(gpgme_data_t *DH,

         gpgme_data_cbs_t CBS, void *HANDLE);

 typedef void(*gpgme_data_release_t)(gpgme_data_t DH);

 typedef gpgme_data_type_t(*gpgme_data_identify_t)(gpgme_data_t DH);

 typedef size_t(*gpgme_data_seek_t)(gpgme_data_t DH, size_t OFFSET,

     int WHENCE);

 typedef size_t(*gpgme_data_read_t)(gpgme_data_t DH, void *BUFFER,

     size_t LENGTH);

 // encrypt and decrypt

 typedef gpgme_error_t(*gpgme_op_decrypt_t)(gpgme_ctx_t CTX,

     gpgme_data_t CIPHER, gpgme_data_t PLAIN);

 typedef gpgme_error_t(*gpgme_op_verify_t)(gpgme_ctx_t CTX, gpgme_data_t SIG,

     gpgme_data_t SIGNED_TEXT, gpgme_data_t PLAIN);

 typedef gpgme_error_t(*gpgme_op_decrypt_verify_t)(gpgme_ctx_t CTX,

     gpgme_data_t CIPHER, gpgme_data_t PLAIN);

 typedef gpgme_decrypt_result_t(*gpgme_op_decrypt_result_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_op_encrypt_sign_t)(gpgme_ctx_t CTX,

     gpgme_key_t RECP[], gpgme_encrypt_flags_t FLAGS, gpgme_data_t PLAIN,

     gpgme_data_t CIPHER);

 typedef gpgme_verify_result_t(*gpgme_op_verify_result_t)(gpgme_ctx_t CTX);

 typedef void(*gpgme_signers_clear_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_signers_add_t)(gpgme_ctx_t CTX, const gpgme_key_t KEY);

 // keys

 typedef gpgme_error_t(*gpgme_get_key_t)(gpgme_ctx_t CTX, const char *FPR,

     gpgme_key_t *R_KEY, int SECRET);

 typedef gpgme_error_t(*gpgme_op_genkey_t)(gpgme_ctx_t CTX, const char *PARMS,

     gpgme_data_t PUBLIC, gpgme_data_t SECRET);

 typedef gpgme_genkey_result_t(*gpgme_op_genkey_result_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_op_delete_t)(gpgme_ctx_t CTX,

     const gpgme_key_t KEY, int ALLOW_SECRET);

 typedef gpgme_error_t(*gpgme_op_import_t)(gpgme_ctx_t CTX,

     gpgme_data_t KEYDATA);

 typedef gpgme_import_result_t(*gpgme_op_import_result_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_op_export_t)(gpgme_ctx_t CTX,

     const char *PATTERN, gpgme_export_mode_t MODE, gpgme_data_t KEYDATA);

 typedef gpgme_error_t(*gpgme_set_keylist_mode_t)(gpgme_ctx_t CTX,

     gpgme_keylist_mode_t MODE);

 typedef gpgme_keylist_mode_t(*gpgme_get_keylist_mode_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_op_keylist_start_t)(gpgme_ctx_t CTX,

     const char *PATTERN, int SECRET_ONLY);

 typedef gpgme_error_t(*gpgme_op_keylist_next_t)(gpgme_ctx_t CTX,

     gpgme_key_t *R_KEY);

 typedef gpgme_error_t(*gpgme_op_keylist_end_t)(gpgme_ctx_t CTX);

 typedef gpgme_error_t(*gpgme_op_import_keys_t)(gpgme_ctx_t CTX,

     gpgme_key_t *KEYS);

 typedef void(*gpgme_key_ref_t)(gpgme_key_t KEY);

 typedef void(*gpgme_key_unref_t)(gpgme_key_t KEY);

 typedef gpgme_error_t (*gpgme_op_edit_t)(gpgme_ctx_t CTX, gpgme_key_t KEY,

         gpgme_edit_cb_t FNC, void *HANDLE, gpgme_data_t OUT);

 typedef gpgme_ssize_t (*gpgme_io_write_t)(int fd, const void *buffer,

         size_t count);

 struct gpg_s {

     const char * version;

     gpgme_check_version_t gpgme_check;

     gpgme_get_engine_info_t gpgme_get_engine_info;

     gpgme_set_locale_t gpgme_set_locale;

     gpgme_new_t gpgme_new;

     gpgme_release_t gpgme_release;

     gpgme_set_protocol_t gpgme_set_protocol;

     gpgme_set_armor_t gpgme_set_armor;

     gpgme_data_new_t gpgme_data_new;

     gpgme_data_new_from_mem_t gpgme_data_new_from_mem;

     gpgme_data_new_from_cbs_t gpgme_data_new_from_cbs;

     gpgme_data_release_t gpgme_data_release;

     gpgme_data_identify_t gpgme_data_identify;

     gpgme_data_seek_t gpgme_data_seek;

     gpgme_data_read_t gpgme_data_read;

     gpgme_op_decrypt_t gpgme_op_decrypt;

     gpgme_op_verify_t gpgme_op_verify;

     gpgme_op_decrypt_verify_t gpgme_op_decrypt_verify;

     gpgme_op_decrypt_result_t gpgme_op_decrypt_result;

     gpgme_op_encrypt_sign_t gpgme_op_encrypt_sign;

     gpgme_op_verify_result_t gpgme_op_verify_result;

     gpgme_signers_clear_t gpgme_signers_clear;

     gpgme_signers_add_t gpgme_signers_add;

     gpgme_get_key_t gpgme_get_key;

     gpgme_op_genkey_t gpgme_op_genkey;

     gpgme_op_genkey_result_t gpgme_op_genkey_result;

     gpgme_op_delete_t gpgme_op_delete;

     gpgme_op_import_t gpgme_op_import;

     gpgme_op_import_result_t gpgme_op_import_result;

     gpgme_op_export_t gpgme_op_export;

     gpgme_set_keylist_mode_t gpgme_set_keylist_mode;

     gpgme_get_keylist_mode_t gpgme_get_keylist_mode;

     gpgme_op_keylist_start_t gpgme_op_keylist_start;

     gpgme_op_keylist_next_t gpgme_op_keylist_next;

     gpgme_op_keylist_end_t gpgme_op_keylist_end;

     gpgme_op_import_keys_t gpgme_op_import_keys;

     gpgme_key_ref_t gpgme_key_ref;

     gpgme_key_unref_t gpgme_key_unref;

     gpgme_op_edit_t gpgme_op_edit;

     gpgme_io_write_t gpgme_io_write;

 };