DF(findypp) \
DF(pages) \
DF(rect) \
+ DF(struct) \
DF(ocr) \
DF(callout)
void sysassert_fail(const char *file, int line, const char *what)
__attribute__((noreturn));
+void waitpid_check_exitstatus(pid_t pid, const char *what);
+
void *mmalloc(size_t sz);
void *mrealloc(void *p, size_t sz);