Add strrcspnl(). Like strcspn, but reverse with an optional max length. Very much the same as strrpbrkl() but returns the length of the characters spanned instead of a pointer to the character. Still not satisfied with what ret is.
Add strrcspnl(). Like strcspn, but reverse with an optional max length. Very much the same as strrpbrkl() but returns the length of the characters spanned instead of a pointer to the character. Still not satisfied with what ret is.

chettrick/tcpl