libssh2_knownhost_del (3) - Linux Man Pages
libssh2_knownhost_del: delete a known host entry
NAMElibssh2_knownhost_del - delete a known host entry
int libssh2_knownhost_del(LIBSSH2_KNOWNHOSTS *hosts,
Delete a known host entry from the collection of known hosts.
Returns a regular libssh2 error code, where negative values are error codes
and 0 indicates success.
Added in libssh2 1.2