png_sig_cmp        97 contrib/gregbook/readpng.c     if (png_sig_cmp(sig, 0, 8))
png_sig_cmp        91 contrib/gregbook/readpng2.c     return !png_sig_cmp(sig, 0, num);
png_sig_cmp       220 contrib/pngminus/png2pnm.c   ret = png_sig_cmp (buf, 0, 8);
png_sig_cmp       131 contrib/visupng/PngFile.c     if (png_sig_cmp(pbSig, 0, 8))
png_sig_cmp       260 example.c         return(!png_sig_cmp(buf, (png_size_t)0, PNG_BYTES_TO_CHECK));
png_sig_cmp      1045 png.h          PNG_EXPORT(3, int, png_sig_cmp, (png_const_bytep sig, png_size_t start,
png_sig_cmp      1051 png.h          #define png_check_sig(sig, n) !png_sig_cmp((sig), 0, (n))
png_sig_cmp       173 pngpread.c        if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
png_sig_cmp       176 pngpread.c               png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))
png_sig_cmp       134 pngrutil.c        if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
png_sig_cmp       137 pngrutil.c               png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))