25 int writePNGFile(const char* pOutput, png_uint_32 width, png_uint_32 height,
313 int encode(const char* pInput, const char* pOutput, bool bEmitHeader, const char* pDiffFile) {  in encode()  argument
337     if ((pOut = fopen(pOutput, "wb")) == NULL) {  in encode()
338         fprintf(stderr, "Could not open output file %s: %d\n", pOutput, errno);  in encode()
348                     pOutput, errno);  in encode()
356                 pOutput, errno);  in encode()
366         if (readPKMFile(pOutput, &pDiffImage, &outWidth, &outHeight)) {  in encode()
405 int writePNGFile(const char* pOutput, png_uint_32 width, png_uint_32 height,  in writePNGFile()  argument
423     if ((pOut = fopen(pOutput, "wb")) == NULL) {  in writePNGFile()
424         fprintf(stderr, "Could not open output file %s: %d\n", pOutput, errno);  in writePNGFile()
453 int decode(const char* pInput, const char* pOutput) {  in decode()  argument
463     if (writePNGFile(pOutput, width, height, pImageData, width * 3)) {  in decode()
485     const char* pOutput = NULL;  in main()  local
501                 if (pOutput != NULL) {  in main()
507                 pOutput = argv[++i];  in main()
563     if (!pOutput) {  in main()
571         pOutput = pOutputFileBuff;  in main()
575         encode(pInput, pOutput, bEncodeHeader, pDiffFile);  in main()
577         decode(pInput, pOutput);  in main()