pub unsafe extern "C" fn mbedtls_sha256_free(
    ctx: *mut mbedtls_sha256_context
)
Expand description

\brief This function clears a SHA-256 context.

\param ctx The SHA-256 context to clear. This may be \c NULL, in which case this function returns immediately. If it is not \c NULL, it must point to an initialized SHA-256 context.