What is sRSAPRV_PKCS8PEM in examples and tutorials?

[HRezaei]

I'm trying to examine the API and learn from tutorials but cannot figure out what should be the value of sRSAPRV_PKCS8PEM for example here?

[kjur]

This is a sample of PKCS#8 PEM formatted private key. EC, DSA and RSA key have the same footer and header.

-----BEGIN PRIVATE KEY-----
MI...snip...
-----END PRIVATE KEY-----

Also, this is a sample of PKCS#1 PEM formatted RSA KEY.

-----BEGIN RSA PRIVATE KEY-----
MI...snip...
-----END RSA PRIVATE KEY-----