* variable is decomposed into a serie of integers and
* each integer is passed as argument to makecontext. */
XBT_PRIVATE
-void simgrid_makecontext(ucontext* ucp, void (*func)(int first, ...), void* arg)
+void simgrid_makecontext(ucontext_t* ucp, void (*func)(int first, ...), void* arg)
{
int ctx_addr[CTX_ADDR_LEN];
memcpy(ctx_addr, &arg, sizeof(void*));