Below is a simple test.c code using curl:
#include #include int main(){ return 0; }
To compile
You most likely forgot to install libcurlpp-dev.
libcurlpp-dev
You can find out where the required header files are located by running:
$ dpkg -S cURLpp.hpp libcurlpp-dev:amd64: /usr/include/curlpp/cURLpp.hpp