mcontext_o32_t
const mcontext_o32_t *mcp32 = (const mcontext_o32_t *)mcp;
sfsz += sizeof(mcontext_o32_t);
mcontext_o32_t * const mco32 = (mcontext_o32_t *)mc32;
const mcontext_o32_t * const mco32 = (const mcontext_o32_t *)mc32;