load_text_file
buf = load_text_file(name);
struct sshbuf *load_text_file(const char *name);
buf = load_text_file("rsa_1.fp");
buf = load_text_file("rsa_1-cert.fp");
buf = load_text_file("rsa_1.fp.bb");
buf = load_text_file("ecdsa_1.param.curve");
buf = load_text_file("ecdsa_1.fp");
buf = load_text_file("ecdsa_1-cert.fp");
buf = load_text_file("ecdsa_1.fp.bb");
buf = load_text_file("ed25519_1.fp");
buf = load_text_file("ed25519_1-cert.fp");
buf = load_text_file("ed25519_1.fp.bb");
buf = load_text_file("ecdsa_sk1.fp");
buf = load_text_file("ecdsa_sk1-cert.fp");
buf = load_text_file("ecdsa_sk1.fp.bb");
buf = load_text_file("ed25519_sk1.fp");
buf = load_text_file("ed25519_sk1-cert.fp");
pw = load_text_file("pw");
buf = load_text_file("ed25519_sk1.fp.bb");