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#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
int
main (int argc, char *argv[])
{
int n;
char *line = NULL;
size_t len = 0;
if (argc == 1)
{
static char *new_argv[] = { NULL, (char *) "/dev/stdin", NULL };
argv = new_argv;
argc = 2;
}
for (n = 1; n < argc; ++n)
{
FILE *fp = fopen (argv[n], "r");
if (fp == NULL)
continue;
while (! feof (fp))
{
ssize_t cnt = getline (&line, &len, fp);
char *runp;
if (cnt <= 0)
break;
runp = line;
do
{
if (runp[0] == '<' && runp[1] == 'U' && isxdigit (runp[2])
&& isxdigit (runp[3]) && isxdigit (runp[4])
&& isxdigit (runp[5]) && runp[6] == '>')
{
unsigned int val = strtoul (runp + 2, NULL, 16);
//putchar ('<');
if (val < 128)
putchar (val);
else if (val < 0x800)
{
putchar (0xc0 | (val >> 6));
putchar (0x80 | (val & 0x3f));
}
else
{
putchar (0xe0 | (val >> 12));
putchar (0x80 | ((val >> 6) & 0x3f));
putchar (0x80 | (val & 0x3f));
}
//putchar ('>');
runp += 7;
}
else
putchar (*runp++);
}
while (runp < &line[cnt]);
}
fclose (fp);
}
return 0;
}
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