pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
char * const * argv, char * const * env, int in, int out,
int toclose ATTRIBUTE_UNUSED,
pex_msdos_exec_child (struct pex_obj *obj, int flags, const char *executable,
char * const * argv, char * const * env, int in, int out,
int toclose ATTRIBUTE_UNUSED,