c.lib 1.172 (21.8.2004)

- Changed the values which the acos(), asin(), atan2(), fmod()
  and sqrt() functions return when they find that their parameters
  are invalid.

- The atan2() function failed to perform a correct parameter check.


c.lib 1.171 (16.8.2004)

- Added hypot()

- vfprintf/vfscanf now support the %lld/%llu (64 bit integer) format
  by default