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Интерактивная система просмотра системных руководств (man-ов)

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fputs (3)
  • fputs (3) ( FreeBSD man: Библиотечные вызовы )
  • fputs (3) ( Русские man: Библиотечные вызовы )
  • fputs (3) ( Linux man: Библиотечные вызовы )
  • >> fputs (3) ( POSIX man: Библиотечные вызовы )
  •  

    NAME

    fputs - put a string on a stream
     
    

    SYNOPSIS

    #include <stdio.h>

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

    DESCRIPTION

    The functionality described on this reference page is aligned with the ISO C standard. Any conflict between the requirements described here and the ISO C standard is unintentional. This volume of IEEE Std 1003.1-2001 defers to the ISO C standard.

    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 .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    ERRORS
    EXAMPLES
    Printing to Standard Output
    APPLICATION USAGE
    RATIONALE
    FUTURE DIRECTIONS
    SEE ALSO
    COPYRIGHT


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