user: Translate the below assembly code into C programming language:

```asm
<readppm>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x180,%rsp
  mov    %rdi,-0x168(%rbp)
  mov    %rsi,-0x170(%rbp)
  mov    %rdx,-0x178(%rbp)
  mov    %rcx,-0x180(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x8(%rbp)
  xor    %eax,%eax
  mov    -0x168(%rbp),%rax
  lea    D49(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fopen@plt>
  cltq
  mov    %rax,-0x138(%rbp)
  cmpq   $0x0,-0x138(%rbp)
  jne    L128
  mov    $0x1,%eax
  jmp    L59
L128:
  lea    -0x110(%rbp),%rdx
  mov    -0x138(%rbp),%rax
  lea    D33(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fscanf@plt>
  movl   $0x2,-0x150(%rbp)
  mov    -0x150(%rbp),%eax
  mov    %rax,-0x130(%rbp)
  cmpq   $0x3,-0x130(%rbp)
  setbe  %al
  mov    %al,-0x15d(%rbp)
  cmpb   $0x0,-0x15d(%rbp)
  je     L98
  lea    -0x110(%rbp),%rax
  mov    %rax,-0x128(%rbp)
  mov    -0x128(%rbp),%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  lea    D1(%rip),%rdx
  movzbl (%rdx),%edx
  movzbl %dl,%edx
  sub    %edx,%eax
  mov    %eax,-0x154(%rbp)
  cmpq   $0x0,-0x130(%rbp)
  je     L58
  cmpl   $0x0,-0x154(%rbp)
  jne    L58
  mov    -0x128(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  lea    D57(%rip),%rdx
  movzbl (%rdx),%edx
  movzbl %dl,%edx
  sub    %edx,%eax
  mov    %eax,-0x154(%rbp)
  cmpq   $0x1,-0x130(%rbp)
  jbe    L58
  cmpl   $0x0,-0x154(%rbp)
  jne    L58
  mov    -0x128(%rbp),%rax
  add    $0x2,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  lea    D19(%rip),%rdx
  movzbl (%rdx),%edx
  movzbl %dl,%edx
  sub    %edx,%eax
  mov    %eax,-0x154(%rbp)
  cmpq   $0x2,-0x130(%rbp)
  jbe    L58
  cmpl   $0x0,-0x154(%rbp)
  jne    L58
  mov    -0x128(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  movzbl %al,%eax
  lea    D43(%rip),%rdx
  movzbl (%rdx),%edx
  movzbl %dl,%edx
  sub    %edx,%eax
  mov    %eax,-0x154(%rbp)
L58:
  mov    -0x154(%rbp),%eax
  mov    %eax,-0x148(%rbp)
  mov    -0x148(%rbp),%eax
  mov    %eax,-0x158(%rbp)
  jmp    L122
L98:
  lea    -0x110(%rbp),%rax
  lea    D1(%rip),%rdx
  mov    %rdx,%rsi
  mov    %rax,%rdi
  call   <strcmp@plt>
  mov    %eax,-0x14c(%rbp)
  mov    -0x14c(%rbp),%eax
  mov    %eax,-0x158(%rbp)
L122:
  mov    -0x158(%rbp),%eax
  mov    %eax,-0x144(%rbp)
  cmpl   $0x0,-0x144(%rbp)
  je     L11
  mov    -0x138(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fclose@plt>
  mov    $0x2,%eax
  jmp    L59
L11:
  mov    -0x138(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <getint@plt>
  mov    -0x170(%rbp),%rdx
  mov    %eax,(%rdx)
  mov    -0x138(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <getint@plt>
  mov    -0x178(%rbp),%rdx
  mov    %eax,(%rdx)
  mov    -0x138(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <getint@plt>
  mov    %eax,-0x15c(%rbp)
  mov    -0x138(%rbp),%rdx
  lea    -0x15c(%rbp),%rax
  mov    %rdx,%rcx
  mov    $0x1,%edx
  mov    $0x1,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fread@plt>
  mov    -0x170(%rbp),%rax
  mov    (%rax),%edx
  mov    -0x178(%rbp),%rax
  mov    (%rax),%eax
  imul   %eax,%edx
  mov    %edx,%eax
  add    %eax,%eax
  add    %edx,%eax
  mov    %eax,-0x140(%rbp)
  mov    -0x140(%rbp),%eax
  cltq
  mov    %rax,%rdi
  call   <malloc@plt>
  mov    %rax,-0x120(%rbp)
  mov    -0x180(%rbp),%rax
  mov    -0x120(%rbp),%rdx
  mov    %rdx,(%rax)
  mov    -0x140(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x180(%rbp),%rax
  mov    (%rax),%rax
  mov    -0x138(%rbp),%rcx
  mov    $0x1,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fread@plt>
  cltq
  mov    %rax,-0x118(%rbp)
  mov    -0x118(%rbp),%rax
  mov    %eax,-0x13c(%rbp)
  mov    -0x138(%rbp),%rax
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <fclose@plt>
  mov    -0x13c(%rbp),%eax
  cmp    -0x140(%rbp),%eax
  je     L28
  mov    $0x4,%eax
  jmp    L59
L28:
  mov    $0x0,%eax
L59:
  mov    -0x8(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L20
  call   <__stack_chk_fail@plt>
L20:
  leave
  ret
```

tool_calls: name: unpack_data
arguments: label: D49
type_infered: string
name: unpack_data
arguments: label: D33
type_infered: string
name: unpack_data
arguments: label: D1
type_infered: string
name: unpack_data
arguments: label: D57
type_infered: string
name: unpack_data
arguments: label: D19
type_infered: string

tool: D49: r

tool: D33: %s

tool: D1: P6

tool: D57: 6

tool: 

assistant: ```c
signed int readppm(char *name, signed int *xres, signed int *yres, unsigned char **imgdata) {
  char data[256l];
  struct _IO_FILE$link40 *ifp;
  signed int i;
  signed int bytesread;
  signed int datasize;
  ifp = fopen(name, "r");
  if (ifp == ((struct _IO_FILE$link40 *)((void *)0)))
    return 1;
  fscanf(ifp, "%s", (const void *)data);
  signed int tmp_statement_expression$1;
  unsigned long int __s1_len;
  unsigned long int __s2_len;
  _Bool tmp_if_expr$3;
  unsigned int return_value___builtin_strlen$2;
  if ((_Bool)1) {
    if (!((unsigned long int)("P6" + 1l) + -((unsigned long int)"P6") == 1ul))
      goto __CPROVER_DUMP_L2;
    return_value___builtin_strlen$2 = __builtin_strlen("P6");
    __s2_len = (unsigned long int)return_value___builtin_strlen$2;
    tmp_if_expr$3 = __s2_len < (unsigned long int)4 ? (_Bool)1 : (_Bool)0;
  } else {
  __CPROVER_DUMP_L2:;
    tmp_if_expr$3 = (_Bool)0;
  }
  signed int tmp_if_expr$6;
  signed int tmp_statement_expression$4;
  signed int return_value___builtin_strcmp$5;
  if (tmp_if_expr$3) {
    const unsigned char *__s1 = (const unsigned char *)(const char *)data;
    signed int __result = (signed int)__s1[(signed long int)0] - (signed int)((const unsigned char *)(const char *)"P6")[(signed long int)0];
    if (__s2_len > 0ul) {
      if (__result == 0) {
        __result = (signed int)__s1[(signed long int)1] - (signed int)((const unsigned char *)(const char *)"P6")[(signed long int)1];
        if (__s2_len > 1ul) {
          if (__result == 0) {
            __result = (signed int)__s1[(signed long int)2] - (signed int)((const unsigned char *)(const char *)"P6")[(signed long int)2];
            if (__s2_len > 2ul) {
              if (__result == 0)
                __result = (signed int)__s1[(signed long int)3] - (signed int)((const unsigned char *)(const char *)"P6")[(signed long int)3];
            }
          }
        }
      }
    }
    tmp_statement_expression$4 = __result;
    tmp_if_expr$6 = tmp_statement_expression$4;
  } else {
    return_value___builtin_strcmp$5 = __builtin_strcmp(data, "P6");
    tmp_if_expr$6 = return_value___builtin_strcmp$5;
  }
  tmp_statement_expression$1 = tmp_if_expr$6;
  if (!(tmp_statement_expression$1 == 0)) {
    fclose(ifp);
    return 2;
  }
  *xres = getint(ifp);
  *yres = getint(ifp);
  i = getint(ifp);
  fread((void *)&i, (unsigned long int)1, (unsigned long int)1, ifp);
  datasize = 3 * *xres * *yres;
  void *return_value_malloc$7;
  return_value_malloc$7 = malloc((unsigned long int)datasize);
  *imgdata = (unsigned char *)return_value_malloc$7;
  unsigned long int return_value_fread$8;
  return_value_fread$8 = fread((void *)*imgdata, (unsigned long int)1, (unsigned long int)datasize, ifp);
  bytesread = (signed int)return_value_fread$8;
  fclose(ifp);
  if (!(bytesread == datasize))
    return 4;
  return 0;
}
```