400            char *const envp[],  in child_exec()  argument
513         if (envp) {  in child_exec()
514             execve(executable, argv, envp);  in child_exec()
571     char *const *exec_array, *const *argv = NULL, *const *envp = NULL;  in subprocess_fork_exec()  local
661         envp = _PySequence_BytesToCharpArray(env_list);  in subprocess_fork_exec()
662         if (!envp)  in subprocess_fork_exec()
703         child_exec(exec_array, argv, envp, cwd,  in subprocess_fork_exec()
721     if (envp)  in subprocess_fork_exec()
722         _Py_FreeCharPArray(envp);  in subprocess_fork_exec()
745     if (envp)  in subprocess_fork_exec()
746         _Py_FreeCharPArray(envp);  in subprocess_fork_exec()