man fputs () - put a string on a stream

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, Standard for Information Technology
-- Portable Operating System Interface (POSIX), The Open Group Base
Specifications 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 Standard, 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 .