8 static void report(const char *prefix, const char *err, va_list params)  in report()  argument
11 	vsnprintf(msg, sizeof(msg), err, params);  in report()
15 static NORETURN void usage_builtin(const char *err)  in usage_builtin()  argument
17 	fprintf(stderr, "\n Usage: %s\n", err);  in usage_builtin()
21 static NORETURN void die_builtin(const char *err, va_list params)  in die_builtin()  argument
23 	report(" Fatal: ", err, params);  in die_builtin()
27 static void error_builtin(const char *err, va_list params)  in error_builtin()  argument
29 	report(" Error: ", err, params);  in error_builtin()
39 static void (*usage_routine)(const char *err) NORETURN = usage_builtin;
40 static void (*die_routine)(const char *err, va_list params) NORETURN = die_builtin;
41 static void (*error_routine)(const char *err, va_list params) = error_builtin;
42 static void (*warn_routine)(const char *err, va_list params) = warn_builtin;
44 void set_die_routine(void (*routine)(const char *err, va_list params) NORETURN)  in set_die_routine()  argument
49 void usage(const char *err)  in usage()  argument
51 	usage_routine(err);  in usage()
54 void die(const char *err, ...)  in die()  argument
58 	va_start(params, err);  in die()
59 	die_routine(err, params);  in die()
63 int error(const char *err, ...)  in error()  argument
67 	va_start(params, err);  in error()
68 	error_routine(err, params);  in error()