adds remaining documentation for the scstr functions

overflow of sstrnlen should return SIZE_MAX instead of zero

adjusts documentation of UCX string types, converters, and constructors

finally removes the underscore of ugliness from ucx_str_cmp() and ucx_str_casecmp()

(0) -300 -100 -30 -10 -4 +4 +10 +30 +100 +300 tip

mercurial