this function with a stream to print the version to and a pointer to the
current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
used). This variable takes precedent over ARGP_PROGRAM_VERSION. */
this function with a stream to print the version to and a pointer to the
current parsing state, and then exits (unless the ARGP_NO_EXIT flag is
used). This variable takes precedent over ARGP_PROGRAM_VERSION. */