K 10
svn:author
V 3
pfg
K 8
svn:date
V 27
2016-12-12T20:25:59.379781Z
K 7
svn:log
V 234
ed(1): Simplify some checks.

The return type for both fread(3) and fwrite(3) cannot be negative, this
renders some checks invalid and variable 'ct' unnecessary.
Also bump 'len' to size_t to avoid signed/unsigned comparison warnings.

END