+--- a/libc/sysdeps/linux/common/bits/mathcalls.h
++++ b/libc/sysdeps/linux/common/bits/mathcalls.h
+@@ -190,20 +190,20 @@
+
+ /* Return 0 if VALUE is finite or NaN, +1 if it
+ is +Infinity, -1 if it is -Infinity. */
+-__MATHDECL_1 (int,__isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
++__MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
+
+ /* Return nonzero if VALUE is finite and not NaN. */
+-__MATHDECL_1 (int,__finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
+-_Mdouble_END_NAMESPACE
++__MATHDECL_1 (int,finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
+
+-#ifdef __USE_MISC
+ /* Return 0 if VALUE is finite or NaN, +1 if it
+ is +Infinity, -1 if it is -Infinity. */
+-__MATHDECL_1 (int,isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
++__MATHDECL_1 (int,__isinf,, (_Mdouble_ __value)) __attribute__ ((__const__));
+
+ /* Return nonzero if VALUE is finite and not NaN. */
+-__MATHDECL_1 (int,finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
++__MATHDECL_1 (int,__finite,, (_Mdouble_ __value)) __attribute__ ((__const__));
++_Mdouble_END_NAMESPACE
+
++#ifdef __USE_MISC
+ /* Return the remainder of X/Y. */
+ __MATHCALL (drem,, (_Mdouble_ __x, _Mdouble_ __y));
+