struct ustream_ssl_ctx *(*context_new)(bool server);
int (*context_set_crt_file)(struct ustream_ssl_ctx *ctx, const char *file);
int (*context_set_key_file)(struct ustream_ssl_ctx *ctx, const char *file);
struct ustream_ssl_ctx *(*context_new)(bool server);
int (*context_set_crt_file)(struct ustream_ssl_ctx *ctx, const char *file);
int (*context_set_key_file)(struct ustream_ssl_ctx *ctx, const char *file);