C > Miscellaneous

Represent digits

Represent digits

#include <stdio.h> 

#define BITS 32 

int main(int argc, char * argv[]) { 
 int y = 0;
 int z = 0;

 if(argc != 2) {
  fprintf(stderr, "seedig DIGIT\n"); 
  return 1;
 }

 sscanf(argv[1], "%i", &y); 

 printf(" hex     : %#x\n", y); 
 printf(" octal   : %#o\n", y); 
 printf(" decimal : %d\n", y); 
 printf(" binary  : "); 

 for(z = BITS - 1; z >= 0; z--) { 
  printf("%c", '0' + ((y & (1 << z)) >> z)); 
  if(!(z & 3)) printf(" "); 
 }

 printf("\n");
 return 0; 
}