libssh2_publickey_add_ex - Add a public key entry
#include <libssh2.h>
int libssh2_publickey_add_ex(LIBSSH2_PUBLICKEY *pkey, const
unsigned char *name,
unsigned long name_len, const unsigned char *blob,
unsigned long blob_len, char overwrite,
unsigned long num_attrs,
const libssh2_publickey_attribute attrs[])
Returns 0 on success, negative on failure.
LIBSSH2_ERROR_BAD_USE LIBSSH2_ERROR_ALLOC, LIBSSH2_ERROR_EAGAIN
LIBSSH2_ERROR_SOCKET_SEND, LIBSSH2_ERROR_SOCKET_TIMEOUT,
LIBSSH2_ERROR_PUBLICKEY_PROTOCOL,