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

```asm
<test_padding_alt_20>:
  endbr64
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x78,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x68(%rsp)
  xor    %eax,%eax
  mov    %rsp,%rbx
  mov    $0x400,%edx
  lea    D106(%rip),%r12
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D89(%rip),%rbp
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0xfffffc00,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D45(%rip),%r12
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0x400,%edx
  lea    D107(%rip),%r13
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0xfffffc00,%edx
  mov    %r13,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0x400,%edx
  lea    D52(%rip),%r12
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0xfffffc00,%edx
  mov    %r12,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D119(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0x1ff,%edx
  lea    D137(%rip),%rbp
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D97(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0xfffffe01,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D104(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0x1234abcd,%edx
  lea    D14(%rip),%rbp
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D140(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0xedcb5433,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D146(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0x1234abcd,%edx
  lea    D55(%rip),%rbp
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D18(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    $0xedcb5433,%edx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <sprintf@plt>
  lea    D99(%rip),%rsi
  mov    %rbx,%rdi
  call   <assertStringsEqual@plt>
  mov    0x68(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L1
  add    $0x78,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  ret
L1:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: data_label: D106
type_guessed: string
name: read_data
arguments: data_label: D89
type_guessed: string
name: read_data
arguments: data_label: D45
type_guessed: string
name: read_data
arguments: data_label: D107
type_guessed: string
name: read_data
arguments: data_label: D52
type_guessed: string
name: read_data
arguments: data_label: D119
type_guessed: string
name: read_data
arguments: data_label: D137
type_guessed: string
name: read_data
arguments: data_label: D97
type_guessed: string
name: read_data
arguments: data_label: D104
type_guessed: string
name: read_data
arguments: data_label: D14
type_guessed: string
name: read_data
arguments: data_label: D140
type_guessed: string
name: read_data
arguments: data_label: D146
type_guessed: string
name: read_data
arguments: data_label: D55
type_guessed: string
name: read_data
arguments: data_label: D18
type_guessed: string
name: read_data
arguments: data_label: D99
type_guessed: string

tool: D106: %#20d

tool: D89:                 1024

tool: D45:                -1024

tool: D107: %#20i

tool: D52: %#20u

tool: D119:           4294966272

tool: D137: %#20o

tool: D97:                 0777

tool: D104:         037777777001

tool: D14: %#20x

tool: D140:           0x1234abcd

tool: D146:           0xedcb5433

tool: D55: %#20X

tool: D18:           0X1234ABCD

tool: D99:           0XEDCB5433

assistant: ```c
void test_padding_alt_20() {
  char buffer[100];
  sprintf(buffer, "%#20d", 1024);
  assertStringsEqual(buffer, "                1024");
  sprintf(buffer, "%#20d", -1024);
  assertStringsEqual(buffer, "               -1024");
  sprintf(buffer, "%#20i", 1024);
  assertStringsEqual(buffer, "                1024");
  sprintf(buffer, "%#20i", -1024);
  assertStringsEqual(buffer, "               -1024");
  sprintf(buffer, "%#20u", 1024);
  assertStringsEqual(buffer, "                1024");
  sprintf(buffer, "%#20u", 4294966272U);
  assertStringsEqual(buffer, "          4294966272");
  sprintf(buffer, "%#20o", 511);
  assertStringsEqual(buffer, "                0777");
  sprintf(buffer, "%#20o", 4294966785U);
  assertStringsEqual(buffer, "        037777777001");
  sprintf(buffer, "%#20x", 305441741);
  assertStringsEqual(buffer, "          0x1234abcd");
  sprintf(buffer, "%#20x", 3989525555U);
  assertStringsEqual(buffer, "          0xedcb5433");
  sprintf(buffer, "%#20X", 305441741);
  assertStringsEqual(buffer, "          0X1234ABCD");
  sprintf(buffer, "%#20X", 3989525555U);
  assertStringsEqual(buffer, "          0XEDCB5433");
}
```