Remove macro definition of rewind() which does not clear the IO error indicator.

Now rewind() will always be called as a function. In combination with an update to the rewind() function in ORCALib, this will ensure that the error indicator is always cleared, as required by the C standards.

ORCACDefs/stdio.h

@@ -99,16 +99,6 @@ extern FILE *stdout;
 
 typedef long fpos_t;
 
-/*
- *  Function declared as a macro
- */
-
-void            rewind(FILE *);
-#define rewind(stream)          (__fseek((stream),0L,SEEK_SET))
-
-/* Private function used in the above macro (not to be used otherwise) */
-int             __fseek(FILE *, long, int);
-
 /*
  *  Function declarations
  */
@@ -142,6 +132,7 @@ int             putchar(int);
 int             puts(const char *);
 int             remove(const char *);
 int             rename(const char *, const char *);
+void            rewind(FILE *);
 int             scanf(const char *, ...);
 void            setbuf(FILE *, char *);
 int             setvbuf(FILE *, char *, int, size_t);

cc.notes

@@ -1829,6 +1829,8 @@ int foo(int[42]);
 
 (Jay Krell, Devin Reade)
 
+190. Calling rewind() should clear the I/O error indicator for the stream (the value returned by ferror()), but it was not doing so.
+
 -- Bugs from C 2.1.0 that have been fixed -----------------------------------
 
 1.  In some situations, fread() reread the first 1K or so of the file.