#include #include int main(int argc, char *argv[]) { if (argc > 1) { printf("Usage: ./recover infile\n"); return 1; } // Remember filenames char *infile = argv[optind]; // Open input file FILE *inptr = fopen(infile, "r"); if (inptr == NULL) { printf("Could not open %s.\n", infile); return 1; } fread(infile, sizeof(RGBTRIPLE), width, inptr); /* files = 0 for (file length) { if (first 3 bytes are 0xff 0xd8 0xff AND 4th byte is 0xe* (* denotes anything)) { this is a photo; remember the pointer // look through the blocks ahead of this one for a new photo for (file length left) { add 1 to photo length if (first 3 bytes are 0xff 0xd8 0xff AND 4th byte is 0xe* (* denotes anything)) { this is the photo length break } } file name = files.jpg files++ Open output file with name (file name) Copy data from old to new file --> fwrite() } } */ }