#include <nghttp2/nghttp2.h>

nghttp2_info *nghttp2_version(int least_version)

Returns a pointer to a nghttp2_info struct with version information about the run-time library in use. The least_version argument can be set to a 24 bit numerical value for the least accepted version number and if the condition is not met, this function will return a NULL. Pass in 0 to skip the version checking.