+++ /dev/null
-#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
-{
- 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);
-}