x509_store_ctx_st structure in openssl 1.1.1

[shiva kumar <shivakumar2696@xxxxxxxxx>]

Hi,
I was using the structure 

struct x509_store_ctx_st 

provide by x509_vfy.h in openssl 1.0.2, but can you please help me on how to use the same or alternative for the above structure on openssl 1.1.1 

Thanks and regards

Shivakumar