+#include "config.h"
#include "f2c.h"
#include "fio.h"
-#ifdef KR_headers
-integer f_rew(a) alist *a;
-#else
-integer f_rew(alist *a)
-#endif
+integer
+f_rew (alist * a)
{
- unit *b;
- if (f__init & 2)
- f__fatal (131, "I/O recursion");
- if(a->aunit>=MXUNIT || a->aunit<0)
- err(a->aerr,101,"rewind");
- b = &f__units[a->aunit];
- if(b->ufd == NULL || b->uwrt == 3)
- return(0);
- if(!b->useek)
- err(a->aerr,106,"rewind");
- if(b->uwrt) {
- (void) t_runc(a);
- b->uwrt = 3;
- }
- rewind(b->ufd);
- b->uend=0;
- return(0);
+ unit *b;
+ if (f__init & 2)
+ f__fatal (131, "I/O recursion");
+ if (a->aunit >= MXUNIT || a->aunit < 0)
+ err (a->aerr, 101, "rewind");
+ b = &f__units[a->aunit];
+ if (b->ufd == NULL || b->uwrt == 3)
+ return (0);
+ if (!b->useek)
+ err (a->aerr, 106, "rewind");
+ if (b->uwrt)
+ {
+ (void) t_runc (a);
+ b->uwrt = 3;
+ }
+ FSEEK (b->ufd, 0, SEEK_SET);
+ b->uend = 0;
+ return (0);
}