user: What is the c source code of the assembly code below:

```asm
<Get_var_itemsize>:
  endbr64
  push   %rbp
  mov    %rsi,%rbp
  lea    D84(%rip),%rsi
  push   %rbx
  mov    %rbp,%rdi
  mov    %rdx,%rbx
  sub    $0x8,%rsp
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L53
L43:
  mov    $0x4,%edx
  xor    %eax,%eax
L62:
  mov    %edx,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
  nopl   0x0(%rax)
L53:
  lea    D4(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L43
  lea    D12(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L81
L84:
  mov    $0x8,%edx
  xor    %eax,%eax
  mov    %edx,(%rbx)
  add    $0x8,%rsp
  pop    %rbx
  pop    %rbp
  ret
L81:
  lea    D71(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  lea    D16(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  lea    D36(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  lea    D58(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  lea    D55(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  lea    D13(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  lea    D83(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  je     L84
  xor    %edx,%edx
  mov    $0x1,%eax
  jmp    L62
```

tool_calls: name: disassemble_data
arguments: tag: D84
data_type: string
name: disassemble_data
arguments: tag: D4
data_type: string
name: disassemble_data
arguments: tag: D12
data_type: string
name: disassemble_data
arguments: tag: D71
data_type: string
name: disassemble_data
arguments: tag: D16
data_type: string
name: disassemble_data
arguments: tag: D36
data_type: string
name: disassemble_data
arguments: tag: D58
data_type: string
name: disassemble_data
arguments: tag: D55
data_type: string
name: disassemble_data
arguments: tag: D13
data_type: string
name: disassemble_data
arguments: tag: D83
data_type: string

tool: D84: model_grid_cell__row_index

tool: D4: model_grid_cell__column_index

tool: D12: cyclone__magnitude_of_velocity

tool: D71: cyclone__azimuth_angle_of_velocity

tool: D16: atmosphere_bottom_air__pressure

tool: D36: atmosphere_bottom_air__reference_pressure

tool: D58: cyclone_air_flow_max_speed__radius

tool: D55: cyclone__radius

tool: D13: atmosphere_air_flow__east_component_of_velocity

tool: D83: atmosphere_air_flow__north_component_of_velocity

assistant: ```c
int Get_var_itemsize(void *self, const char *name, int *itemsize) {
  if (strcmp(name, "model_grid_cell__row_index") == 0) {
    *itemsize = sizeof(int);
  } else if (strcmp(name, "model_grid_cell__column_index") == 0) {
    *itemsize = sizeof(int);
  } else if (strcmp(name, "cyclone__magnitude_of_velocity") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "cyclone__azimuth_angle_of_velocity") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "atmosphere_bottom_air__pressure") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "atmosphere_bottom_air__reference_pressure") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "cyclone_air_flow_max_speed__radius") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "cyclone__radius") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "atmosphere_air_flow__east_component_of_velocity") == 0) {
    *itemsize = sizeof(double);
  } else if (strcmp(name, "atmosphere_air_flow__north_component_of_velocity") == 0) {
    *itemsize = sizeof(double);
  } else {
    *itemsize = 0;
    return (1);
  }
  return (0);
}
```