C Tutorial/printf scanf/printf Escape Sequence — различия между версиями

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Версия 14:21, 25 мая 2010

\a: Produces a beep or flash; the cursor position is not changed.

#include <stdio.h>
main()
{
    printf("\a %d", 25);
    printf("AAA");
}
25AAA

\b: Moves the cursor to the last column of the previous line.

#include <stdio.h>
main()
{
    printf("\b %d", 25);
    printf("AAA");
}
25AAA

Escape Sequence

Escape sequences are the special directives used to format printing.

For example, \n indicates that the next printing should start from the first column of the next line.

4.11.printf Escape Sequence 4.11.1. Escape Sequence 4.11.2. <A href="/Tutorial/C/0080__printf-scanf/aProducesabeeporflashthecursorpositionisnotchanged.htm">\a: Produces a beep or flash; the cursor position is not changed.</a> 4.11.3. <A href="/Tutorial/C/0080__printf-scanf/bMovesthecursortothelastcolumnofthepreviousline.htm">\b: Moves the cursor to the last column of the previous line.</a> 4.11.4. <A href="/Tutorial/C/0080__printf-scanf/fMovesthecursortostartofnextpage.htm">\f: Moves the cursor to start of next page.</a> 4.11.5. <A href="/Tutorial/C/0080__printf-scanf/nNewline.htm">\n: New line</a> 4.11.6. <A href="/Tutorial/C/0080__printf-scanf/rCarriageReturnMovesthecursortothefirstcolumnofthecurrentline.htm">\r: Carriage Return (Moves the cursor to the first column of the current line.)</a> 4.11.7. <A href="/Tutorial/C/0080__printf-scanf/tHorizontalTab.htm">\t: Horizontal Tab</a> 4.11.8. <A href="/Tutorial/C/0080__printf-scanf/vVerticalTab.htm">\v: Vertical Tab</a> 4.11.9. <A href="/Tutorial/C/0080__printf-scanf/Printssingle.htm">\\: Prints single \</a> 4.11.10. <A href="/Tutorial/C/0080__printf-scanf/forquotation.htm">\ for quotation</a> 4.11.11. <A href="/Tutorial/C/0080__printf-scanf/Prints.htm">%%: Prints %.</a>

\f: Moves the cursor to start of next page.

#include <stdio.h>
main()
{
    printf("\f %d", 25);
    printf("AAA");
}
25AAA

\ for quotation

#include <stdio.h>
main()
{
    printf("\" %d", 25);
}
" 25

\n: New line

#include <stdio.h>
main()
{
    printf("\n %d", 25);
}
25

%%: Prints %.

#include <stdio.h>
main()
{
    printf("%d %%", 25);
}
25 %

\\: Prints single \

#include <stdio.h>
main()
{
    printf("\\ %d", 25);
}
\ 25

\r: Carriage Return (Moves the cursor to the first column of the current line.)

#include <stdio.h>
main()
{
    printf("\r %d", 25);
}
25

\t: Horizontal Tab

#include <stdio.h>
main()
{
    printf("\t %d\tA\t", 25);
}
25     A

\v: Vertical Tab

#include <stdio.h>
main()
{
    printf("\v %d", 25);
    printf("AAA");
}
Источник — «http://cppe.ru/index.php?title=C_Tutorial/printf_scanf/printf_Escape_Sequence&oldid=3784»