Variable scope: in and out a block



#include <stdio.h>
void main()
{
   int c = 0;   /* Declared in outer block */
   do
   {
     int c = 0; /* This is another variable called c */
     ++c ;       /* this applies to inner c   */
     printf("\n c  = %d ", c );  
   }
   while( ++c  <= 3 );     /* This works with outer c */

   /* Inner c  is dead, this is outer */
   printf("\n c = %d\n", c ); 
}

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Variable scope: in and out a block : Variable Scope « Language Basics « C / ANSI-C

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