struct utsname { char sysname[32 ]; char version[32 ]; }; int uname(name) struct utsname *name; { int mib[2], rval; long len; char *p; int oerrno; if (sysctl(mib, 2, &name->sysname, &len, 0 , 0) == -1) ; for (p = name->version; len--; ++p) { *p = ' '; } }