--- 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));