Hi Neil! :-)

 NH>    typedef struct _msg_t {
 NH>      unsigned int num;
 NH>      unsigned int values[MAXVALS];
 NH>    } msg_t;
[...]
 NH>      return read(fd, (void *)&m->values, sz * m->num);
[...]
Isn't m->values already the address of the first array element? Also,
casting to void should be unneccessary.

Ciao
Pascal

--- Msged/LNX 6.1.1