127     wchar_t *path_env;                 /* PATH environment variable */  member
882 calculate_which(const wchar_t *path_env, wchar_t *program_name,  in calculate_which()  argument
886         wchar_t *delim = wcschr(path_env, DELIM);  in calculate_which()
890             wchar_t *path = substring(path_env, delim - path_env);  in calculate_which()
898             abs_path = joinpath2(path_env, program_name);  in calculate_which()
914         path_env = delim + 1;  in calculate_which()
988     if (calculate->path_env) {  in calculate_program_impl()
990         status = calculate_which(calculate->path_env, pathconfig->program_name,  in calculate_program_impl()
1440         calculate->path_env = Py_DecodeLocale(path, &len);  in calculate_init()
1441         if (!calculate->path_env) {  in calculate_init()
1487     PyMem_RawFree(calculate->path_env);  in calculate_free()