Function mongocrypt_sys::mongocrypt_kms_ctx_bytes_needed

pub unsafe extern "C" fn mongocrypt_kms_ctx_bytes_needed(
    kms: *mut mongocrypt_kms_ctx_t,
) -> u32

Indicates how many bytes to feed into @ref mongocrypt_kms_ctx_feed.

@param[in] kms The @ref mongocrypt_kms_ctx_t. @returns The number of requested bytes.