4 /* Error-free versions of some libc routines */
5 extern void *xmalloc(size_t sz);
6 extern void *xrealloc(void *p, size_t sz);
7 extern char *xstrdup(char *p);
8 extern char *xstrndup(char *p, size_t n);
9 extern void *xfree(void *p);
11 #endif /* _XMALLOC_H */