-/* Like malloc, but calls fatal() if out of memory. */
-void *xmalloc(size_t);
-
-/* Like realloc, but calls fatal() if out of memory. */
-void *xrealloc(void *, size_t);
-
-/* Frees memory allocated using xmalloc or xrealloc. */
-void xfree(void *);
-
-/* Allocates memory using xmalloc, and copies the string into that memory. */
-char *xstrdup(const char *);
+void *xmalloc(size_t);
+void *xrealloc(void *, size_t);
+void xfree(void *);
+char *xstrdup(const char *);