Ncurses does not display text that should be flashing

Kirkina A. OP (Company: no) #5068603
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#include <ncurses.h>

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#include <locale.h>

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#include <unistd.h>

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#include <string.h>

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int main()

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{

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  setlocale(LC_ALL, "");

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    initscr();

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     char str[]={"Hello world!"};

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     for(int i=0; i<strlen(str); i++)

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     {

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         addch(str[i] | A_BLINK);

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     }

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     refresh();

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     getch();

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    endwin();              

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    return 0;

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}

After compiling and executing this code, I do not see any flashing text, 
just output a string.
Do you have the same thing?
I'm writing on armv7
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Jemand Guest #5069597
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Only a few terminal emulators support blinking (some may just highlight 
it by other means); part of the reason is that it's very obnoxious. For 
remotely portable blinking you will need to periodically redraw the 
text.
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Kirkina A. OP (Company: no) #5070223
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Jemand wrote:
> Only a few terminal emulators support blinking (some may just highlight
> it by other means); part of the reason is that it's very obnoxious. For
> remotely portable blinking you will need to periodically redraw the
> text.

This is a very necessary function, I already put arm xterm and now 
everything works. For the sake of such beauty you can and suffer.
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