[cvs-nhc98] patch applied (hat): - cleaned basic C interface

[Malcolm Wallace]

Tue Oct 30 07:15:52 PST 2001  thorsten
  * - cleaned basic C interface
  - added error message to Hatobserve when remotely initiating an observation
    which does not result in any equation.

    M ./src/hattools/Expressions.c -3 +3
    M ./src/hattools/HatObserve.hs -7 +17
    M ./src/hattools/HatTrace.gc -16 +16
    M ./src/hattools/Hatobserve.hs -7 +17
    M ./src/hattools/detect.c -16 +16
    M ./src/hattools/hat-checki.c -3 +3
    M ./src/hattools/hat-detect.c -3 +3
    M ./src/hattools/hat-observe.c -1 +1
    M ./src/hattools/hatinterface.c -130 +23
    M ./src/hattools/hatinterface.h -68 +66
    M ./src/hattools/nodelist.c -1 +1
    M ./src/hattools/observeutils.c -9 +124