moby/vendor/github.com/docker/docker-credential-helpers/osxkeychain/osxkeychain_darwin.h

#include <Security/Security.h>

struct Server {
  SecProtocolType proto;
  char *host;
  char *path;
  unsigned int port;
};

char *keychain_add(struct Server *server, char *label, char *username, char *secret);
char *keychain_get(struct Server *server, unsigned int *username_l, char **username, unsigned int *secret_l, char **secret);
char *keychain_delete(struct Server *server);
char *keychain_list(char *credsLabel, char *** data, char *** accts, unsigned int *list_l);
void freeListData(char *** data, unsigned int length);