# extract_file_ext.c Get the file extension from a given file path. --- ## Includes ```c #include #include "utils.h" ``` --- ## Function Description ### `extract_file_ext` Get the file extension from a given file path. #### Parameter - `path`: The file path string. #### Return Value Returns a pointer to the file extension within the path string, or `NULL` if no extension is found. #### Implementation ```c const char * extract_file_ext(const char *path) { const char *dot; dot = strrchr(path, '.'); if (NULL == dot || dot == path) return (NULL); return (dot + 1); } ```