235    if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))  in png_push_read_chunk()
239    if (!png_memcmp(png_ptr->chunk_name, png_IHDR, 4))  in png_push_read_chunk()
253    else if (!png_memcmp(png_ptr->chunk_name, png_IEND, 4))  in png_push_read_chunk()
276       if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))  in png_push_read_chunk()
281       if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4))  in png_push_read_chunk()
284       else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))  in png_push_read_chunk()
296    else if (!png_memcmp(png_ptr->chunk_name, png_PLTE, 4))  in png_push_read_chunk()
306    else if (!png_memcmp(png_ptr->chunk_name, png_IDAT, 4))  in png_push_read_chunk()
342    else if (!png_memcmp(png_ptr->chunk_name, png_gAMA, 4))  in png_push_read_chunk()
355    else if (!png_memcmp(png_ptr->chunk_name, png_sBIT, 4))  in png_push_read_chunk()
368    else if (!png_memcmp(png_ptr->chunk_name, png_cHRM, 4))  in png_push_read_chunk()
381    else if (!png_memcmp(png_ptr->chunk_name, png_sRGB, 4))  in png_push_read_chunk()
394    else if (!png_memcmp(png_ptr->chunk_name, png_iCCP, 4))  in png_push_read_chunk()
407    else if (!png_memcmp(png_ptr->chunk_name, png_sPLT, 4))  in png_push_read_chunk()
420    else if (!png_memcmp(png_ptr->chunk_name, png_tRNS, 4))  in png_push_read_chunk()
433    else if (!png_memcmp(png_ptr->chunk_name, png_bKGD, 4))  in png_push_read_chunk()
446    else if (!png_memcmp(png_ptr->chunk_name, png_hIST, 4))  in png_push_read_chunk()
459    else if (!png_memcmp(png_ptr->chunk_name, png_pHYs, 4))  in png_push_read_chunk()
472    else if (!png_memcmp(png_ptr->chunk_name, png_oFFs, 4))  in png_push_read_chunk()
485    else if (!png_memcmp(png_ptr->chunk_name, png_pCAL, 4))  in png_push_read_chunk()
498    else if (!png_memcmp(png_ptr->chunk_name, png_sCAL, 4))  in png_push_read_chunk()
511    else if (!png_memcmp(png_ptr->chunk_name, png_tIME, 4))  in png_push_read_chunk()
524    else if (!png_memcmp(png_ptr->chunk_name, png_tEXt, 4))  in png_push_read_chunk()
537    else if (!png_memcmp(png_ptr->chunk_name, png_zTXt, 4))  in png_push_read_chunk()
550    else if (!png_memcmp(png_ptr->chunk_name, png_iTXt, 4))  in png_push_read_chunk()
759       if (png_memcmp(png_ptr->chunk_name, png_IDAT, 4))  in png_push_read_IDAT()