Function: COMMON-LISP:STRING/=

package type clhs github

Given two strings, if the first string is not lexicographically equal to the second string, returns the longest common prefix (using char=) of the two strings. Otherwise, returns ().

Lambda list

(sb-impl::string1 sb-impl::string2 &key sb-impl::start1 sb-impl::end1 sb-impl::start2
 sb-impl::end2)