1 files changed, 3 insertions, 7 deletions
diff --git a/gnu/lib/libf2c/libF77/r_acos.c b/gnu/lib/libf2c/libF77/r_acos.c
index 330f88a3092..d761cfdc5c8 100644
--- a/gnu/lib/libf2c/libF77/r_acos.c
+++ b/gnu/lib/libf2c/libF77/r_acos.c
@@ -1,13 +1,9 @@
 #include "f2c.h"
 
-#ifdef KR_headers
-double acos();
-double r_acos(x) real *x;
-#else
 #undef abs
 #include <math.h>
-double r_acos(real *x)
-#endif
+double
+r_acos (real * x)
 {
-return( acos(*x) );
+  return (acos (*x));
 }