static int *rsa2_openssh_fmtkey(void *key, unsigned char *blob, int len) {
static int rsa2_openssh_fmtkey(void *key, unsigned char *blob, int len) {
static int *rsa2_openssh_fmtkey(void *key, unsigned char *blob, int len) {    struct RSAKey *rsa = (struct RSAKey *)key;    int bloblen, i;    bloblen =	ssh2_bignum_length(rsa->modulus) +	ssh2_bignum_length(rsa->exponent) +	ssh2_bignum_length(rsa->private_exponent) +	ssh2_bignum_length(rsa->iqmp) +	ssh2_bignum_length(rsa->p) +	ssh2_bignum_length(rsa->q);    if (bloblen > len)	return bloblen;    bloblen = 0;#define ENC(x) \    PUT_32BIT(blob+bloblen, ssh2_bignum_length((x))-4); bloblen += 4; \    for (i = ssh2_bignum_length((x))-4; i-- ;) blob[bloblen++]=bignum_byte((x),i);    ENC(rsa->modulus);    ENC(rsa->exponent);    ENC(rsa->private_exponent);    ENC(rsa->iqmp);    ENC(rsa->p);    ENC(rsa->q);    return bloblen;}