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FPUTS(3P)                  POSIX Programmer's Manual                 FPUTS(3P)



PROLOG
       This manual page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may dif-
       fer (consult the corresponding Linux manual page for details of Linux behavior), or the interface  may  not  be
       implemented on Linux.

NAME
       fputs - put a string on a stream

SYNOPSIS
       #include <stdio.h>

       int fputs(const char *restrict s, FILE *restrict stream);


DESCRIPTION
       The fputs() function shall write the null-terminated string pointed to by s to the stream pointed to by stream.
       The terminating null byte shall not be written.

       The st_ctime and st_mtime fields of the file shall be marked for update between  the  successful  execution  of
       fputs()  and  the  next successful completion of a call to fflush() or fclose() on the same stream or a call to
       exit() or abort().

RETURN VALUE
       Upon successful completion, fputs() shall return a non-negative number. Otherwise, it shall return EOF, set  an
       error indicator for the stream,  and set errno to indicate the error.

ERRORS
       Refer to fputc().

       The following sections are informative.

EXAMPLES
   Printing to Standard Output
       The  following  example  gets  the  current  time, converts it to a string using localtime() and asctime(), and
       prints it to standard output using fputs(). It then prints the number of minutes to an event for  which  it  is
       waiting.


              #include <time.h>
              #include <stdio.h>
              ...
              time_t now;
              int minutes_to_event;
              ...
              time(&now);
              printf("The time is ");
              fputs(asctime(localtime(&now)), stdout);
              printf("There are still %d minutes to the event.\n",
                  minutes_to_event);
              ...

APPLICATION USAGE
       The puts() function appends a <newline> while fputs() does not.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       fopen(), putc(), puts(), the Base Definitions volume of IEEE Std 1003.1-2001, <stdio.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Stan-
       dard for Information Technology -- Portable Operating System Interface (POSIX), The Open Group Base  Specifica-
       tions  Issue  6,  Copyright (C) 2001-2003 by the Institute of Electrical and Electronics Engineers, Inc and The
       Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Stan-
       dard,  the  original  IEEE  and  The  Open Group Standard is the referee document. The original Standard can be
       obtained online at http://www.opengroup.org/unix/online.html .



IEEE/The Open Group                  2003                            FPUTS(3P)