Uts_desc
extern Uts_desc *conv_uts(void);
Uts_desc *
Uts_desc * desc;
if ((desc = calloc(1, sizeof (Uts_desc))) == 0)
static Uts_desc *uts = NULL;
extern Uts_desc *uts; /* utsname descriptor */
Uts_desc *uts = NULL; /* utsname descriptor */