function::strpos - Returns location of a substring within another string

s1
           string to search in

       s2
           substring to find

       This function returns location of the first occurence of string s2 within s1, namely the return value is
       0 in case s2 is a prefix of s1. If s2 is not a substring of s1, then the return value is -1.

       function::strpos - Returns location of a substring within another string

tapset::string(3stap)

SystemTap Tapset Reference                         April 2024                            FUNCTION::STRPOS(3stap)

           strpos:long(s1:string,s2:string)