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_Boolui

30/12/06 -  Views - Ratings :   3.48 of 5 / 155 Votes

C99 has introduced this new data type similar to C++ bool. This data type can store only two values true or false represented by 0 or 1 (Non Zero) respectively. Also true and false macro defined in header <stdbool.h>

Code -

void function (void)
{

int a;
_Bool b = true;
for (a = 0; b; b;a++)
 {
   printf ("%d", a); \\ Prints numbers 0 to 9
   b = (a<10); 
 } 
}

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