Parse a file of known hosts
#include <libssh2.h>
int libssh2_knownhost_readfile(LIBSSH2_KNOWNHOSTS *hosts,
const char *filename, int type);
Reads a collection of known hosts from a specified file and adds them to the collection of known hosts.
filename specifies which file to read
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 negative value, a regular libssh2 error code for errors, or a positive number as number of parsed known hosts in the file.
Added in libssh2 1.2