*/
#define NOTOK (-1) /* syscall()s return this on error */
#define OK 0 /* ditto on success */
-#define DONE 1 /* trinary logic */
+#define DONE 1 /* ternary logic */
#define ALL ""
#define MAXARGS 1000 /* max arguments to exec */
* This macro is for use by scan, for example, so that platforms with
* a small BUFSIZ can easily allocate larger buffers.
*/
-#define NMH_BUFSIZ (BUFSIZ>=8192 ? BUFSIZ : 8192)
+#define NMH_BUFSIZ max(BUFSIZ, 8192)
#ifndef FALSE
#define FALSE false
* terminating NUL. */
#define LEN(s) (sizeof (s) - 1)
+/* FENDNULL fends off NULL by giving an empty string instead. */
+#define FENDNULL(s) ((s) ? (s) : "")
+
+/* PLURALS gives a pointer to the string "s" when n isn't 1, and to the
+ * empty string "" when it is. Suitable for obtaining the plural `s'
+ * used for English nouns. It treats -1 as plural, as does GNU gettext.
+ * Having output vary for plurals is annoying for those writing parsers;
+ * better to phrase the output such that no test is needed, e.g.
+ * "messages found: 42". */
+extern const char plurals[];
+#define PLURALS(n) (plurals + ((n) == 1))
+
/*
* char array that keeps track of size in both bytes and characters
* Usage note: