--- src/include/math.h	2007/06/17 06:26:18	1.10
+++ src/include/math.h	2007/06/17 17:46:01	1.11
@@ -314,6 +314,9 @@ float	remainderf(float, float);
 /* 7.2.11 manipulation */
 
 float	copysignf(float, float);
+double	nan(const char *);
+float	nanf(const char *);
+long double	nanl(const char *);
 float	nextafterf(float, float);
 
 #endif /* __ISO_C_VISIBLE >= 1999 */