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Diffstat (limited to 'newlib/libc/stdio/rewind.c')
-rw-r--r-- | newlib/libc/stdio/rewind.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/newlib/libc/stdio/rewind.c b/newlib/libc/stdio/rewind.c new file mode 100644 index 0000000..9052757 --- /dev/null +++ b/newlib/libc/stdio/rewind.c @@ -0,0 +1,60 @@ +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* +FUNCTION +<<rewind>>---reinitialize a file or stream + +INDEX + rewind + +ANSI_SYNOPSIS + #include <stdio.h> + void rewind(FILE *<[fp]>); + +TRAD_SYNOPSIS + #include <stdio.h> + void rewind(<[fp]>) + FILE *<[fp]>; + +DESCRIPTION +<<rewind>> returns the file position indicator (if any) for the file +or stream identified by <[fp]> to the beginning of the file. It also +clears any error indicator and flushes any pending output. + +RETURNS +<<rewind>> does not return a result. + +PORTABILITY +ANSI C requires <<rewind>>. + +No supporting OS subroutines are required. +*/ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "%W% (Berkeley) %G%"; +#endif /* LIBC_SCCS and not lint */ + +#include <stdio.h> + +void +_DEFUN (rewind, (fp), + register FILE * fp) +{ + (void) fseek(fp, 0L, SEEK_SET); + clearerr(fp); +} |