int rad_mkdir(char *directory, int mode);
int rad_checkfilename(const char *filename);
void *rad_malloc(size_t size); /* calls exit(1) on error! */
+void *rad_calloc(size_t size); /* calls exit(1) on error! */
REQUEST *request_alloc(void);
REQUEST *request_alloc_fake(REQUEST *oldreq);
REQUEST *request_alloc_coa(REQUEST *request);