Bing found the following results
How do I use %s in C correctly? - Stack Overflow
c - What does the %*s format specifier mean? - Stack Overflow
What does %s mean in a Python format string? - Stack Overflow
What does %s mean in a Python format string? - GeeksforGeeks
When to Use Apostrophe S ('s) | Guide & Examples - Scribbr
Appendix:Variations of "s" - Wiktionary, the free dictionary
Possessive 's and s' | Learn and Practise Grammar - Oxford Learner's ...
Browse the Dictionary for Words Starting with S | Merriam-Webster
%s - Wikipedia
S noun - Definition, pictures, pronunciation and usage notes