dos33fsprogs/basic/appleiibot/convert_to.c

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#include <stdio.h>
#include <unistd.h>
int main(int argc, char **argv) {
int i,len,rv,a;
unsigned char string[BUFSIZ];
unsigned char out[BUFSIZ];
rv=read(0,string,BUFSIZ);
if (rv<=0) return -1;
len=rv;
printf("Len=%d\n",len);
for(i=0;i<len;i++) {
out[i]=' '+(string[i]>>2);
}
for(i=0;i<len;i+=2) {
a=(string[i]&3)<<2;
a|=(string[i+1]&3);
out[len+i/2]=' '+a;
}
out[len+len/2+1]=0;
printf("%s",out);
return 0;
}