void * * a = NULL;

while(TRUE)

{

    a = malloc(sizeof *a);

    if(a == NULL)

        break;

    *a = malloc(1024);

    if(*a == NULL)

        break; 

    if(!do_some_other_tests(a))

        break; 

   return a;

}

/* cleanup /

if(a == NULL)

    return;

if(a != NULL)

    free(*a);

 free(a);

alt:

void * * a = NULL;

switch(TRUE)

{

    defaultt :

    a = malloc(sizeof *a);

    if(a == NULL)

        break;

    *a = malloc(1024);

    if(*a == NULL)

        break; 

    if(!do_some_other_tests(a))

        break; 

   return a;

}

/* cleanup /

if(a == NULL)

    return;

if(a != NULL)

    free(*a);

 free(a);