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Diffstat (limited to 'win32/win32.h')
-rw-r--r--win32/win32.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/win32/win32.h b/win32/win32.h
index 41c3a40a2fb..b0d03d09024 100644
--- a/win32/win32.h
+++ b/win32/win32.h
@@ -209,10 +209,8 @@ extern pid_t waitpid (pid_t, int *, int);
extern int do_spawn(char *);
extern int kill(int, int);
extern pid_t rb_w32_getpid(void);
-#ifndef __BORLANDC__
-extern int isinf(double);
-extern int isnan(double);
-#else
+
+#ifdef __BORLANDC__
#include <float.h>
#ifndef isinf
#define isinf !_finite
@@ -246,6 +244,9 @@ extern int isnan(double);
#define S_ISBLK(m) (((unsigned short)(m) & S_IFMT) == S_IFBLK)
#define S_ISCHR(m) (((unsigned short)(m) & S_IFMT) == S_IFCHR)
#define S_ISREG(m) (((unsigned short)(m) & S_IFMT) == S_IFREG)
+#elif !defined __MINGW32__ || defined __NO_ISOCEXT
+extern int isinf(double);
+extern int isnan(double);
#endif
#if !defined S_IRUSR && !defined __MINGW32__