A qsort()-style function that returns negative if lhs is less than
rhs, positive if lhs is greater than rhs, and 0 if they're equal.
Ordering is in character offset order, i.e. the first character in the buffer
is less than the second character in the buffer.
A qsort()-style function that returns negative if lhs is less than rhs, positive if lhs is greater than rhs, and 0 if they're equal. Ordering is in character offset order, i.e. the first character in the buffer is less than the second character in the buffer.