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Cleaned up stringhandling for binary safeness.
All functions now maintain a global 'errno' variable.
All functions now print warning messages on failure.
Added error code constants.
Fixed bug #8041 while maintaining backward compatibility.
New functions:
yp_all traverse a map
yp_cat retrive an entire map in one go
yp_errno get last error code
yp_err_string get a human readable error message
Added a few RCS $Id$ tags.
# Note: I have avoided changing any .h files if the corresponding .c file
# had not already been changed as I am not sure if there are any legal
# issues here. So some extensions still have PHP 3 headers.
Draft 3 of IEEE 1003.1 200x, "2.2 The Compilation Environment"
All identifiers that begin with an underscore and either an uppercase
letter or another underscore are always reserved for any use by the
implementation.
