png_sig_cmp      1003 3rdparty/libpng/png.h PNG_EXPORT(3, int, png_sig_cmp, (png_const_bytep sig, png_size_t start,
png_sig_cmp      1009 3rdparty/libpng/png.h #define png_check_sig(sig, n) !png_sig_cmp((sig), 0, (n))
png_sig_cmp       166 3rdparty/libpng/pngpread.c    if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
png_sig_cmp       169 3rdparty/libpng/pngpread.c           png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))
png_sig_cmp       136 3rdparty/libpng/pngrutil.c    if (png_sig_cmp(info_ptr->signature, num_checked, num_to_check))
png_sig_cmp       139 3rdparty/libpng/pngrutil.c           png_sig_cmp(info_ptr->signature, num_checked, num_to_check - 4))