void pa_mcalign_free(struct pa_mcalign *m);
void pa_mcalign_push(struct pa_mcalign *m, const struct pa_memchunk *c);
int pa_mcalign_pop(struct pa_mcalign *m, struct pa_memchunk *c);
void pa_mcalign_free(struct pa_mcalign *m);
void pa_mcalign_push(struct pa_mcalign *m, const struct pa_memchunk *c);
int pa_mcalign_pop(struct pa_mcalign *m, struct pa_memchunk *c);