netcdf-c/nczarr_test/zhex.c

37 lines
634 B
C

/*
* Copyright 2018, University Corporation for Atmospheric Research
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
*/
#include "config.h"
#include "stdlib.h"
#include "stdio.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#define DEBUG
static char hex[16] = "0123456789abcdef";
int
main(int argc, char** argv)
{
unsigned char c;
unsigned int c0,c1;
for(;;) {
int ret = fread(&c, 1, 1, stdin);
if(ret != 1) break;
c1 = c;
c0 = c1 & 0xf;
c1 = (c1 >> 4);
c0 = hex[c0];
c1 = hex[c1];
printf("%c%c",(char)c1,(char)c0);
}
return 0;
}