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/* Demonstrates the numeric nature of char variables */ 
 
#include  
 
/* Declare and initialize two char variables */ 
 
char c1 = 'a'; 
char c2 = 90; 
 
int main( void ) 
{ 
    /* Print variable c1 as a character, then as a number */ 
 
    printf("\nAs a character, variable c1 is %c", c1); 
    printf("\nAs a number, variable c1 is %d", c1); 
 
    /* Do the same for variable c2 */ 
 
    printf("\nAs a character, variable c2 is %c", c2); 
    printf("\nAs a number, variable c2 is %d\n", c2); 
 
    return 0; 
}