Term Handling in the YAP interface.

These classes offer term construction and access.

Terms are seens as objects that inherit from a virtual class, Currently, all terms must reside in the stack and may be moved around during garbage collection. Term objects use an handle, in the SWI-Prolog style.

Notice that terms are forcefully destroyed during backtracking.

Define:

1. YAPT_HH:

Functions:

1. X_API Term YAP_MkCharPTerm(char *n):

1. X_API Term Yap_MkErrorTerm(yap_error_descriptor_t *):