C API Documentation# Core Routines Resources Handle Error Handling Nearest Neighbors Bruteforce Index Index build Index search Index serialize IVF-Flat Index build parameters Index search parameters Index Index build Index search Index serialize IVF-PQ Index build parameters Index search parameters Index Index build Index search Index serialize CAGRA Index build parameters Index search parameters Index Index build Index search Index serialize HNSW Index search parameters Index Index extend parameters Index extend Index load Index search Index serialize