malloc: malloc ==0
png_cache_unknown_chunk: png_cache_unknown_chunk bottom
png_calloc: png_calloc ==0
png_convert_to_rfc1123: png_convert_to_rfc1123 ==0
png_create_info_struct: png_create_info_struct ==0
png_create_png_struct: png_create_png_struct ==0
png_create_read_struct_2: png_create_read_struct_2 ==0
png_create_read_struct: png_create_read_struct ==0
png_create_write_struct_2: png_create_write_struct_2 ==0
png_create_write_struct: png_create_write_struct ==0
png_decompress_chunk: png_decompress_chunk <0
png_deflate_claim: png_deflate_claim ==0
png_get_eXIf: png_get_eXIf ==0
png_get_x_offset_inches_fixed: png_get_x_offset_inches_fixed ==0
png_get_y_offset_inches_fixed: png_get_y_offset_inches_fixed ==0
png_image_read_colormapped: png_image_read_colormapped bottom
png_image_read_direct: png_image_read_direct bottom
png_image_read_init: png_image_read_init bottom
png_image_write_init: png_image_write_init bottom
png_image_write_main: png_image_write_main bottom
png_malloc_array: png_malloc_array ==0
png_malloc_base: png_malloc_base ==0
png_malloc: png_malloc ==0
png_malloc_warn: png_malloc_warn ==0
png_muldiv_warn: png_muldiv_warn ==0
png_read_buffer: png_read_buffer ==0
png_realloc_array: png_realloc_array ==0
png_set_longjmp_fn: png_set_longjmp_fn ==0
png_set_text_2: png_set_text_2 >0
png_text_compress: png_text_compress <=0
png_user_version_check: png_user_version_check ==0
png_zalloc: png_zalloc ==0
