48main (
int argc, 
char **argv)
 
   58      if ((infilefp = fopen (infile, 
"r")) == NULL) {
 
   59         fprintf (stderr, 
"\nERROR: Can't open file %s\n\n", infile);
 
   69   while (fgets (inbuf, 
MAXBUF-1, infilefp) != NULL) {
 
   70      sscanf (inbuf, 
"%X", &iy);
 
   71      if (ix == iy) fprintf (stderr, 
"Duplicate code point: %04X\n", ix);
 
int main()
The main function.
#define MAXBUF
Maximum input line length - 1.