// File: /workspace/github_cpp_makefile_star2_O1/alan0201tw[P]RayTracer/include/stb_image.h
// Function: stbi__pnm_info(stbi__context*, int*, int*, int*)
static int      stbi__pnm_info(stbi__context *s, int *x, int *y, int *comp)
{
   int maxv, dummy;
   char c, p, t;

   if (!x) x = &dummy;
   if (!y) y = &dummy;
   if (!comp) comp = &dummy;

   stbi__rewind(s);

   // Get identifier
   p = (char) stbi__get8(s);
   t = (char) stbi__get8(s);
   if (p != 'P' || (t != '5' && t != '6')) {
       stbi__rewind(s);
       return 0;
   }

   *comp = (t == '6') ? 3 : 1;  // '5' is 1-component .pgm; '6' is 3-component .ppm

   c = (char) stbi__get8(s);
   stbi__pnm_skip_whitespace(s, &c);

   *x = stbi__pnm_getinteger(s, &c); // read width
   stbi__pnm_skip_whitespace(s, &c);

   *y = stbi__pnm_getinteger(s, &c); // read height
   stbi__pnm_skip_whitespace(s, &c);

   maxv = stbi__pnm_getinteger(s, &c);  // read max value

   if (maxv > 255)
      return stbi__err("max value > 255", "PPM image not 8-bit");
   else
      return 1;
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
pushq %rax
movq %rcx, %r12
movq %rdx, %r14
movq %rsi, %r15
movq %rdi, %rbx
movq 0xc8(%rdi), %rax
movq 0xd0(%rdi), %rcx
movq %rax, 0xb8(%rdi)
movq %rcx, 0xc0(%rdi)
cmpq %rcx, %rax
jb 0x375a4
cmpl $0x0, 0x30(%rbx)
je 0x3757b
movq 0x28(%rbx), %rdi
leaq 0x38(%rbx), %r13
movl 0x34(%rbx), %edx
movq %r13, %rsi
callq *0x10(%rbx)
testl %eax, %eax
je 0x37580
movq %r13, 0xb8(%rbx)
cltq
addq %r13, %rax
movq %rax, 0xc0(%rbx)
jmp 0x3759d
movb $0x1, %bpl
jmp 0x375b6
movl $0x0, 0x30(%rbx)
movq %r13, 0xb8(%rbx)
leaq 0x39(%rbx), %rax
movq %rax, 0xc0(%rbx)
movb $0x0, 0x38(%rbx)
movq 0xb8(%rbx), %rax
leaq 0x1(%rax), %rcx
movq %rcx, 0xb8(%rbx)
cmpb $0x50, (%rax)
setne %bpl
movq 0xb8(%rbx), %rax
cmpq 0xc0(%rbx), %rax
jb 0x3761e
cmpl $0x0, 0x30(%rbx)
je 0x375f6
movq 0x28(%rbx), %rdi
leaq 0x38(%rbx), %r13
movl 0x34(%rbx), %edx
movq %r13, %rsi
callq *0x10(%rbx)
testl %eax, %eax
je 0x375fa
movq %r13, 0xb8(%rbx)
cltq
addq %r13, %rax
movq %rax, 0xc0(%rbx)
jmp 0x37617
xorl %eax, %eax
jmp 0x3762b
movl $0x0, 0x30(%rbx)
movq %r13, 0xb8(%rbx)
leaq 0x39(%rbx), %rax
movq %rax, 0xc0(%rbx)
movb $0x0, 0x38(%rbx)
movq 0xb8(%rbx), %rax
leaq 0x1(%rax), %rcx
movq %rcx, 0xb8(%rbx)
movb (%rax), %al
leal -0x37(%rax), %ecx
cmpb $-0x2, %cl
setae %cl
notb %bpl
testb %cl, %bpl
jne 0x3764f
movups 0xc8(%rbx), %xmm0
movups %xmm0, 0xb8(%rbx)
jmp 0x3775d
testq %r12, %r12
je 0x37666
xorl %ecx, %ecx
cmpb $0x36, %al
sete %cl
leal 0x1(,%rcx,2), %eax
movl %eax, (%r12)
movq 0xb8(%rbx), %rax
cmpq 0xc0(%rbx), %rax
jb 0x376ce
cmpl $0x0, 0x30(%rbx)
je 0x376a6
movq 0x28(%rbx), %rdi
leaq 0x38(%rbx), %r12
movl 0x34(%rbx), %edx
movq %r12, %rsi
callq *0x10(%rbx)
testl %eax, %eax
je 0x376aa
movq %r12, 0xb8(%rbx)
cltq
addq %r12, %rax
movq %rax, 0xc0(%rbx)
jmp 0x376c7
xorl %eax, %eax
jmp 0x376db
movl $0x0, 0x30(%rbx)
movq %r12, 0xb8(%rbx)
leaq 0x39(%rbx), %rax
movq %rax, 0xc0(%rbx)
movb $0x0, 0x38(%rbx)
movq 0xb8(%rbx), %rax
leaq 0x1(%rax), %rcx
movq %rcx, 0xb8(%rbx)
movb (%rax), %al
leaq 0x7(%rsp), %r12
movb %al, (%r12)
movq %rbx, %rdi
movq %r12, %rsi
callq 0x3776e
movq %rbx, %rdi
movq %r12, %rsi
callq 0x3794d
testq %r15, %r15
je 0x37702
movl %eax, (%r15)
leaq 0x7(%rsp), %r15
movq %rbx, %rdi
movq %r15, %rsi
callq 0x3776e
movq %rbx, %rdi
movq %r15, %rsi
callq 0x3794d
testq %r14, %r14
je 0x37725
movl %eax, (%r14)
leaq 0x7(%rsp), %r14
movq %rbx, %rdi
movq %r14, %rsi
callq 0x3776e
movq %rbx, %rdi
movq %r14, %rsi
callq 0x3794d
movl %eax, %ecx
movl $0x1, %eax
cmpl $0x100, %ecx            # imm = 0x100
jl 0x3775f
leaq 0x8673(%rip), %rax      # 0x3fdc9
movq %rax, 0x17d8b(%rip)     # 0x4f4e8
xorl %eax, %eax
addq $0x8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq