What are the libraries for Typehead?

Question

React

Prompt a library for React similar to this one https://twitter.github.io/typeahead.js/, so that initially there is no user list, but data from the server starts to be pulled when entering.

Answer 1

Find the first space in a trailing sequence of spaces and replace it with an end-of-line character.

char* end = buf + strlen(buf) - 1;
while(end > buf && isspace(*end)) 
    --end;
*(end+1) = 0;