compose_envblock  539 maint/gnulib/lib/spawni.c       envblock = compose_envblock (envp);
compose_envblock  604 maint/gnulib/lib/windows-spawn.c       envblock = compose_envblock (envp);
compose_envblock   84 maint/gnulib/lib/windows-spawn.h extern char * compose_envblock (const char * const *envp)