/* aconv utility by mixter */

#include <stdio.h>
#include <unistd.h>

#define OFFSET 112

struct octet {
unsigned int _0:1;
unsigned int _1:1;
unsigned int _2:1;
unsigned int _3:1;
unsigned int _4:1;
unsigned int _5:1;
unsigned int _6:1;
unsigned int _7:1;
};

typedef struct octet byte;

void putbits (int);
void putasc (char *);

int main(int argc, char ** argv)
{
int in;

while ((in = getopt (argc, argv, "bnhc")) != EOF)
switch (in)
{
case 'b':
while( (in = getchar()) != EOF) putbits(in+OFFSET);
puts("");
exit(0);
break;
case 'n':
while( (in = getchar()) != EOF) printf("%d ",in+OFFSET);
puts("");
exit(0);
break;
case 'h':
while( (in = getchar()) != EOF) printf("\\x%x",in+OFFSET);
puts("");
exit(0);
break;
}

printf("Usage: %s [option]\n", argv[0]);
printf("\t-b\t\tascii input, binary output\n");
printf("\t-n\t\tascii input, decimal output\n");
printf("\t-h\t\tascii input, hex output\n");

return 0;
}

void putbits(int n)
{
byte p;

p._0 = n % 1;
p._1 = n % 2;
p._2 = n % 3;
p._3 = n % 4;
p._4 = n % 5;
p._5 = n % 6;
p._6 = n % 7;
p._7 = n % 8;

printf("%d%d%d%d%d%d%d%d ",p._7,p._6,p._5,p._4,p._3,p._2,p._1,p._0);

}

void putasc (char *buf)
{
int i,res;
byte b;

for(i=0;i<strlen(buf);i++)
{
if ((buf[i] == '\n') || (buf[i] == '\r'))
{
buf[i] = '\0';
break;
}
if ((buf[i] != '0') && (buf[i] != '1')) return;
}

for(i=0;i<strlen(buf);i+=8)
{
b._0 = buf[i];
b._1 = buf[i+1];
b._2 = buf[i+2];
b._3 = buf[i+3];
b._4 = buf[i+4];
b._5 = buf[i+5];
b._6 = buf[i+6];
b._7 = buf[i+7];
res=0;
if(b._0) res+=2^1;
if(b._1) res+=2^2;
if(b._2) res+=2^3;
if(b._3) res+=2^4;
if(b._4) res+=2^5;
if(b._5) res+=2^6;
if(b._6) res+=2^7;
if(b._7) res+=2^8;
putchar(res);

}
}