libssh2_knownhost_readline man page
libssh2_knownhost_readline — read a known host line
int libssh2_knownhost_readline(LIBSSH2_KNOWNHOSTS *hosts,
const char *line, size_t len, int type):
Tell libssh2 to read a buffer as it if is a line from a known hosts file.
line points to the start of the line
len is the length of the line in bytes
type specifies what file type it is, and LIBSSH2_KNOWNHOST_FILE_OPENSSH is the only currently supported format. This file is normally found named ~/.ssh/known_hosts
Returns a regular libssh2 error code, where negative values are error codes and 0 indicates success.
Added in libssh2 1.2
libssh2_knownhost_get(3) libssh2_knownhost_writeline(3) libssh2_knownhost_readfile(3)