Code:

make eog ARGS="--detailed -f ./pngsuite/f99n0g04.png"
...
./a.out --detailed -f ./pngsuite/f99n0g04.png && eog pic.ppm
...
buff/zlib.c:919: Zlib: method = 8, info = 7, type = 0, dictionary = false, check = 13
buff/zlib.c:866: last = 1, type = 10, Stream->used = 19
buff/zlib.c:723: Type Symbols List Details: foresee: 14, longest = 5, highest = 31, have = 256, used = 32
type_symbols[ 0]: _tt = true, src = 5, lit = 7, use = true, get = 0, cpy = 1, len = 2, uid = 00
type_symbols[ 1]: _tt = true, src = 4, lit = 8, use = true, get = 0, cpy = 1, len = 2, uid = 01
type_symbols[ 4]: _tt = true, src = 3, lit = 0, use = true, get = 0, cpy = 1, len = 3, uid = 100
type_symbols[ 5]: _tt = true, src = 1, lit = 17, use = true, get = 3, cpy = 3, len = 3, uid = 101
type_symbols[ 12]: _tt = true, src = 11, lit = 4, use = true, get = 0, cpy = 1, len = 4, uid = 1100
type_symbols[ 13]: _tt = true, src = 9, lit = 5, use = true, get = 0, cpy = 1, len = 4, uid = 1101
type_symbols[ 14]: _tt = true, src = 7, lit = 6, use = true, get = 0, cpy = 1, len = 4, uid = 1110
type_symbols[ 30]: _tt = true, src = 13, lit = 3, use = true, get = 0, cpy = 1, len = 5, uid = 11110
type_symbols[ 31]: _tt = true, src = 2, lit = 18, use = true, get = 7, cpy = 11, len = 5, uid = 11111
buff/zlib.c:749: Stream Details: End Of Data = true, End Of Stream = false, data = 0x7ffd5b08f820, byte = 369, took = 629, used = 629
Code Symbols List Details: foresee: 271, longest = 8, highest = 255, have = 65536, used = 256
code_symbols[ 0]: _tt = false, src = 257, lit = 257, use = true, get = 0, cpy = 3, len = 4, uid = 0000
code_symbols[ 2]: _tt = false, src = 0, lit = 0, use = true, get = 0, cpy = 0, len = 5, uid = 00010
code_symbols[ 3]: _tt = false, src = 1, lit = 1, use = true, get = 0, cpy = 0, len = 5, uid = 00011
code_symbols[ 4]: _tt = false, src = 8, lit = 8, use = true, get = 0, cpy = 0, len = 5, uid = 00100
code_symbols[ 5]: _tt = false, src = 16, lit = 16, use = true, get = 0, cpy = 0, len = 5, uid = 00101
code_symbols[ 6]: _tt = false, src = 17, lit = 17, use = true, get = 0, cpy = 0, len = 5, uid = 00110
code_symbols[ 7]: _tt = false, src = 221, lit = 221, use = true, get = 0, cpy = 0, len = 5, uid = 00111
code_symbols[ 8]: _tt = false, src = 222, lit = 222, use = true, get = 0, cpy = 0, len = 5, uid = 01000
code_symbols[ 9]: _tt = false, src = 238, lit = 238, use = true, get = 0, cpy = 0, len = 5, uid = 01001
code_symbols[ 10]: _tt = false, src = 239, lit = 239, use = true, get = 0, cpy = 0, len = 5, uid = 01010
code_symbols[ 11]: _tt = false, src = 240, lit = 240, use = true, get = 0, cpy = 0, len = 5, uid = 01011
code_symbols[ 12]: _tt = false, src = 248, lit = 248, use = true, get = 0, cpy = 0, len = 5, uid = 01100
code_symbols[ 13]: _tt = false, src = 255, lit = 255, use = true, get = 0, cpy = 0, len = 5, uid = 01101
code_symbols[ 14]: _tt = false, src = 258, lit = 258, use = true, get = 0, cpy = 4, len = 5, uid = 01110
code_symbols[ 30]: _tt = false, src = 3, lit = 3, use = true, get = 0, cpy = 0, len = 6, uid = 011110
code_symbols[ 31]: _tt = false, src = 4, lit = 4, use = true, get = 0, cpy = 0, len = 6, uid = 011111
code_symbols[ 32]: _tt = false, src = 9, lit = 9, use = true, get = 0, cpy = 0, len = 6, uid = 100000
code_symbols[ 33]: _tt = false, src = 25, lit = 25, use = true, get = 0, cpy = 0, len = 6, uid = 100001
code_symbols[ 34]: _tt = false, src = 33, lit = 33, use = true, get = 0, cpy = 0, len = 6, uid = 100010
code_symbols[ 35]: _tt = false, src = 34, lit = 34, use = true, get = 0, cpy = 0, len = 6, uid = 100011
code_symbols[ 36]: _tt = false, src = 153, lit = 153, use = true, get = 0, cpy = 0, len = 6, uid = 100100
code_symbols[ 37]: _tt = false, src = 204, lit = 204, use = true, get = 0, cpy = 0, len = 6, uid = 100101
code_symbols[ 76]: _tt = false, src = 2, lit = 2, use = true, get = 0, cpy = 0, len = 7, uid = 1001100
code_symbols[ 77]: _tt = false, src = 5, lit = 5, use = true, get = 0, cpy = 0, len = 7, uid = 1001101
code_symbols[ 78]: _tt = false, src = 10, lit = 10, use = true, get = 0, cpy = 0, len = 7, uid = 1001110
code_symbols[ 79]: _tt = false, src = 18, lit = 18, use = true, get = 0, cpy = 0, len = 7, uid = 1001111
code_symbols[ 80]: _tt = false, src = 19, lit = 19, use = true, get = 0, cpy = 0, len = 7, uid = 1010000
code_symbols[ 81]: _tt = false, src = 48, lit = 48, use = true, get = 0, cpy = 0, len = 7, uid = 1010001
code_symbols[ 82]: _tt = false, src = 52, lit = 52, use = true, get = 0, cpy = 0, len = 7, uid = 1010010
code_symbols[ 83]: _tt = false, src = 66, lit = 66, use = true, get = 0, cpy = 0, len = 7, uid = 1010011
code_symbols[ 84]: _tt = false, src = 100, lit = 100, use = true, get = 0, cpy = 0, len = 7, uid = 1010100
code_symbols[ 85]: _tt = false, src = 120, lit = 120, use = true, get = 0, cpy = 0, len = 7, uid = 1010101
code_symbols[ 86]: _tt = false, src = 135, lit = 135, use = true, get = 0, cpy = 0, len = 7, uid = 1010110
code_symbols[ 87]: _tt = false, src = 170, lit = 170, use = true, get = 0, cpy = 0, len = 7, uid = 1010111
code_symbols[ 88]: _tt = false, src = 171, lit = 171, use = true, get = 0, cpy = 0, len = 7, uid = 1011000
code_symbols[ 89]: _tt = false, src = 185, lit = 185, use = true, get = 0, cpy = 0, len = 7, uid = 1011001
code_symbols[ 90]: _tt = false, src = 186, lit = 186, use = true, get = 0, cpy = 0, len = 7, uid = 1011010
code_symbols[ 91]: _tt = false, src = 188, lit = 188, use = true, get = 0, cpy = 0, len = 7, uid = 1011011
code_symbols[ 92]: _tt = false, src = 190, lit = 190, use = true, get = 0, cpy = 0, len = 7, uid = 1011100
code_symbols[ 93]: _tt = false, src = 203, lit = 203, use = true, get = 0, cpy = 0, len = 7, uid = 1011101
code_symbols[ 94]: _tt = false, src = 205, lit = 205, use = true, get = 0, cpy = 0, len = 7, uid = 1011110
code_symbols[ 95]: _tt = false, src = 220, lit = 220, use = true, get = 0, cpy = 0, len = 7, uid = 1011111
code_symbols[ 96]: _tt = false, src = 223, lit = 223, use = true, get = 0, cpy = 0, len = 7, uid = 1100000
code_symbols[ 97]: _tt = false, src = 246, lit = 246, use = true, get = 0, cpy = 0, len = 7, uid = 1100001
code_symbols[ 98]: _tt = false, src = 247, lit = 247, use = true, get = 0, cpy = 0, len = 7, uid = 1100010
code_symbols[ 99]: _tt = false, src = 253, lit = 253, use = true, get = 0, cpy = 0, len = 7, uid = 1100011
code_symbols[ 100]: _tt = false, src = 259, lit = 259, use = true, get = 0, cpy = 5, len = 7, uid = 1100100
code_symbols[ 101]: _tt = false, src = 260, lit = 260, use = true, get = 0, cpy = 6, len = 7, uid = 1100101
code_symbols[ 102]: _tt = false, src = 263, lit = 263, use = true, get = 0, cpy = 9, len = 7, uid = 1100110
code_symbols[ 103]: _tt = false, src = 267, lit = 267, use = true, get = 1, cpy = 15, len = 7, uid = 1100111
code_symbols[ 208]: _tt = false, src = 20, lit = 20, use = true, get = 0, cpy = 0, len = 8, uid = 11010000
code_symbols[ 209]: _tt = false, src = 21, lit = 21, use = true, get = 0, cpy = 0, len = 8, uid = 11010001
code_symbols[ 210]: _tt = false, src = 26, lit = 26, use = true, get = 0, cpy = 0, len = 8, uid = 11010010
code_symbols[ 211]: _tt = false, src = 42, lit = 42, use = true, get = 0, cpy = 0, len = 8, uid = 11010011
code_symbols[ 212]: _tt = false, src = 43, lit = 43, use = true, get = 0, cpy = 0, len = 8, uid = 11010100
code_symbols[ 213]: _tt = false, src = 49, lit = 49, use = true, get = 0, cpy = 0, len = 8, uid = 11010101
code_symbols[ 214]: _tt = false, src = 50, lit = 50, use = true, get = 0, cpy = 0, len = 8, uid = 11010110
code_symbols[ 215]: _tt = false, src = 58, lit = 58, use = true, get = 0, cpy = 0, len = 8, uid = 11010111
code_symbols[ 216]: _tt = false, src = 64, lit = 64, use = true, get = 0, cpy = 0, len = 8, uid = 11011000
code_symbols[ 217]: _tt = false, src = 65, lit = 65, use = true, get = 0, cpy = 0, len = 8, uid = 11011001
code_symbols[ 218]: _tt = false, src = 67, lit = 67, use = true, get = 0, cpy = 0, len = 8, uid = 11011010
code_symbols[ 219]: _tt = false, src = 70, lit = 70, use = true, get = 0, cpy = 0, len = 8, uid = 11011011
code_symbols[ 220]: _tt = false, src = 80, lit = 80, use = true, get = 0, cpy = 0, len = 8, uid = 11011100
code_symbols[ 221]: _tt = false, src = 83, lit = 83, use = true, get = 0, cpy = 0, len = 8, uid = 11011101
code_symbols[ 222]: _tt = false, src = 86, lit = 86, use = true, get = 0, cpy = 0, len = 8, uid = 11011110
code_symbols[ 223]: _tt = false, src = 99, lit = 99, use = true, get = 0, cpy = 0, len = 8, uid = 11011111
code_symbols[ 224]: _tt = false, src = 101, lit = 101, use = true, get = 0, cpy = 0, len = 8, uid = 11100000
code_symbols[ 225]: _tt = false, src = 103, lit = 103, use = true, get = 0, cpy = 0, len = 8, uid = 11100001
code_symbols[ 226]: _tt = false, src = 116, lit = 116, use = true, get = 0, cpy = 0, len = 8, uid = 11100010
code_symbols[ 227]: _tt = false, src = 118, lit = 118, use = true, get = 0, cpy = 0, len = 8, uid = 11100011
code_symbols[ 228]: _tt = false, src = 119, lit = 119, use = true, get = 0, cpy = 0, len = 8, uid = 11100100
code_symbols[ 229]: _tt = false, src = 121, lit = 121, use = true, get = 0, cpy = 0, len = 8, uid = 11100101
code_symbols[ 230]: _tt = false, src = 137, lit = 137, use = true, get = 0, cpy = 0, len = 8, uid = 11100110
code_symbols[ 231]: _tt = false, src = 151, lit = 151, use = true, get = 0, cpy = 0, len = 8, uid = 11100111
code_symbols[ 232]: _tt = false, src = 152, lit = 152, use = true, get = 0, cpy = 0, len = 8, uid = 11101000
code_symbols[ 233]: _tt = false, src = 154, lit = 154, use = true, get = 0, cpy = 0, len = 8, uid = 11101001
code_symbols[ 234]: _tt = false, src = 155, lit = 155, use = true, get = 0, cpy = 0, len = 8, uid = 11101010
code_symbols[ 235]: _tt = false, src = 169, lit = 169, use = true, get = 0, cpy = 0, len = 8, uid = 11101011
code_symbols[ 236]: _tt = false, src = 175, lit = 175, use = true, get = 0, cpy = 0, len = 8, uid = 11101100
code_symbols[ 237]: _tt = false, src = 182, lit = 182, use = true, get = 0, cpy = 0, len = 8, uid = 11101101
code_symbols[ 238]: _tt = false, src = 187, lit = 187, use = true, get = 0, cpy = 0, len = 8, uid = 11101110
code_symbols[ 239]: _tt = false, src = 192, lit = 192, use = true, get = 0, cpy = 0, len = 8, uid = 11101111
code_symbols[ 240]: _tt = false, src = 198, lit = 198, use = true, get = 0, cpy = 0, len = 8, uid = 11110000
code_symbols[ 241]: _tt = false, src = 200, lit = 200, use = true, get = 0, cpy = 0, len = 8, uid = 11110001
code_symbols[ 242]: _tt = false, src = 202, lit = 202, use = true, get = 0, cpy = 0, len = 8, uid = 11110010
code_symbols[ 243]: _tt = false, src = 208, lit = 208, use = true, get = 0, cpy = 0, len = 8, uid = 11110011
code_symbols[ 244]: _tt = false, src = 212, lit = 212, use = true, get = 0, cpy = 0, len = 8, uid = 11110100
code_symbols[ 245]: _tt = false, src = 216, lit = 216, use = true, get = 0, cpy = 0, len = 8, uid = 11110101
code_symbols[ 246]: _tt = false, src = 224, lit = 224, use = true, get = 0, cpy = 0, len = 8, uid = 11110110
code_symbols[ 247]: _tt = false, src = 231, lit = 231, use = true, get = 0, cpy = 0, len = 8, uid = 11110111
code_symbols[ 248]: _tt = false, src = 237, lit = 237, use = true, get = 0, cpy = 0, len = 8, uid = 11111000
code_symbols[ 249]: _tt = false, src = 249, lit = 249, use = true, get = 0, cpy = 0, len = 8, uid = 11111001
code_symbols[ 250]: _tt = false, src = 256, lit = 256, use = true, get = 0, cpy = 0, len = 8, uid = 11111010
code_symbols[ 251]: _tt = false, src = 261, lit = 261, use = true, get = 0, cpy = 7, len = 8, uid = 11111011
code_symbols[ 252]: _tt = false, src = 264, lit = 264, use = true, get = 0, cpy = 10, len = 8, uid = 11111100
code_symbols[ 253]: _tt = false, src = 268, lit = 268, use = true, get = 1, cpy = 17, len = 8, uid = 11111101
code_symbols[ 254]: _tt = false, src = 269, lit = 269, use = true, get = 2, cpy = 19, len = 8, uid = 11111110
code_symbols[ 255]: _tt = false, src = 270, lit = 270, use = true, get = 2, cpy = 23, len = 8, uid = 11111111
Loop Symbols List Details: foresee: 18, longest = 8, highest = 63, have = 131072, used = 256
loop_symbols[ 0]: _tt = false, src = 12, lit = 300, use = true, get = 5, cpy = 65, len = 3, uid = 000
loop_symbols[ 1]: _tt = false, src = 14, lit = 302, use = true, get = 6, cpy = 129, len = 3, uid = 001
loop_symbols[ 2]: _tt = false, src = 15, lit = 303, use = true, get = 6, cpy = 193, len = 3, uid = 010
loop_symbols[ 6]: _tt = false, src = 0, lit = 288, use = true, get = 0, cpy = 1, len = 4, uid = 0110
loop_symbols[ 7]: _tt = false, src = 4, lit = 292, use = true, get = 1, cpy = 5, len = 4, uid = 0111
loop_symbols[ 8]: _tt = false, src = 9, lit = 297, use = true, get = 3, cpy = 25, len = 4, uid = 1000
loop_symbols[ 9]: _tt = false, src = 10, lit = 298, use = true, get = 4, cpy = 33, len = 4, uid = 1001
loop_symbols[ 10]: _tt = false, src = 11, lit = 299, use = true, get = 4, cpy = 49, len = 4, uid = 1010
loop_symbols[ 11]: _tt = false, src = 13, lit = 301, use = true, get = 5, cpy = 97, len = 4, uid = 1011
loop_symbols[ 12]: _tt = false, src = 16, lit = 304, use = true, get = 7, cpy = 257, len = 4, uid = 1100
loop_symbols[ 13]: _tt = false, src = 17, lit = 305, use = true, get = 7, cpy = 385, len = 4, uid = 1101
loop_symbols[ 28]: _tt = false, src = 6, lit = 294, use = true, get = 2, cpy = 9, len = 5, uid = 11100
loop_symbols[ 29]: _tt = false, src = 8, lit = 296, use = true, get = 3, cpy = 17, len = 5, uid = 11101
loop_symbols[ 60]: _tt = false, src = 1, lit = 289, use = true, get = 0, cpy = 2, len = 6, uid = 111100
loop_symbols[ 61]: _tt = false, src = 2, lit = 290, use = true, get = 0, cpy = 3, len = 6, uid = 111101
loop_symbols[ 62]: _tt = false, src = 5, lit = 293, use = true, get = 1, cpy = 7, len = 6, uid = 111110
loop_symbols[ 63]: _tt = false, src = 7, lit = 295, use = true, get = 2, cpy = 13, len = 6, uid = 111111