#include <stdio.h> voidmain(int argc, char *argv[]){	long len;	int c;	FILE *fin, *fout; 	/*	 * Command line can be just name (argv[1]), a name and an input	 * file (argv[2]), or a name, an input file, and an output	 * file (argv[3]).	 */	switch(argc){	case 2:		fin = stdin;		fout = stdout;		break;	case 3:	case 4:		if((fin=fopen(argv[2], "r"))==NULL) {			fprintf(stderr, "%s failed to open input file %s\n", argv[0], argv[2]);			exit(2);		}		if(argc==3) {			fout = stdout;			break;		}		if((fout=fopen(argv[3], "w"))==NULL) {			fprintf(stderr, "%s failed to open output file %s\n", argv[0], argv[3]);			exit(3);		}		break;	default:		fprintf(stderr, "usage: %s name [infile] [outfile]\n", argv[0]);		exit(1);	}	fprintf(fout, "unsigned char %scode[] = {\n", argv[1]);	for(len=0; (c=fgetc(fin))!=EOF; len++) {		if((len&7) == 0)			fprintf(fout, "\t");		fprintf(fout, "0x%x,", c);		if((len&7) == 7)			fprintf(fout, "\n");	}	if(len & 7){		while(len & 7){			fprintf(fout, "0x%x,", 0);			len++;		}		fprintf(fout, "\n");	}	fprintf(fout, "};\n");	fprintf(fout, "unsigned long %slen = %ld;\n", argv[1], len);	fprintf(fout, "#define %ssize\t%ld\n", argv[1], len);	exit(0);}