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

```asm
<fp_test>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x38,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x28(%rsp)
  xor    %eax,%eax
  lea    D29(%rip),%rdi
  call   <puts@plt>
  lea    D74(%rip),%rdi
  call   <puts@plt>
  lea    0x9(%rsp),%rdi
  lea    D71(%rip),%rsi
  call   <strcpy@plt>
  mov    $0x0,%r15d
L29:
  mov    $0x0,%r14d
L49:
  mov    $0x0,%r13d
L72:
  mov    $0x0,%r12d
  lea    0x9(%rsp),%rbp
L104:
  lea    D71(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcpy@plt>
  test   %r15d,%r15d
  je     L14
L92:
  test   %r14d,%r14d
  je     L5
L18:
  test   %r13d,%r13d
  je     L37
L3:
  test   %r12d,%r12d
  je     L38
L102:
  mov    %rbp,%rsi
  lea    D22(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  lea    0x10(%rsp),%rbx
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  lea    D43(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    $0xffffff85,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  lea    D48(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    $0xff,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  lea    D92(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    $0xff,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  lea    D100(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    $0xff,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    %rbp,%rsi
  mov    %rbx,%rdi
  call   <strcpy@plt>
  lea    D134(%rip),%rsi
  mov    %rbx,%rdi
  call   <strcat@plt>
  mov    $0xffffffff,%esi
  mov    %rbx,%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0xa,%edi
  call   <putchar@plt>
  add    $0x1,%r12d
  cmp    $0x2,%r12d
  jne    L104
  add    $0x1,%r13d
  cmp    $0x2,%r13d
  jne    L72
  add    $0x1,%r14d
  cmp    $0x2,%r14d
  jne    L49
  add    $0x1,%r15d
  cmp    $0x2,%r15d
  jne    L29
  mov    $0x0,%esi
  lea    D123(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    $0x0,%esi
  lea    D52(%rip),%rdi
  mov    $0x0,%eax
  call   <printf@plt>
  mov    0x28(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L78
  add    $0x38,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L14:
  lea    D28(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L92
L5:
  lea    D76(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L18
L37:
  lea    D25(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L3
L38:
  lea    D78(%rip),%rsi
  mov    %rbp,%rdi
  call   <strcat@plt>
  jmp    L102
L78:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: unpack_data
arguments: data_label: D29
datatype: string
name: unpack_data
arguments: data_label: D74
datatype: string
name: unpack_data
arguments: data_label: D71
datatype: string
name: unpack_data
arguments: data_label: D22
datatype: string
name: unpack_data
arguments: data_label: D43
datatype: string
name: unpack_data
arguments: data_label: D48
datatype: string
name: unpack_data
arguments: data_label: D92
datatype: string
name: unpack_data
arguments: data_label: D100
datatype: string
name: unpack_data
arguments: data_label: D134
datatype: string
name: unpack_data
arguments: data_label: D123
datatype: string
name: unpack_data
arguments: data_label: D52
datatype: string
name: unpack_data
arguments: data_label: D28
datatype: string
name: unpack_data
arguments: data_label: D76
datatype: string
name: unpack_data
arguments: data_label: D25
datatype: string
name: unpack_data
arguments: data_label: D78
datatype: string

tool: D29: 
Formatted output test

tool: D74: prefix  6d      6o      6x      6X      6u

tool: D71: %

tool: D22: %5s |

tool: D43: 6d |

tool: D48: 6o |

tool: D92: 6x |

tool: D100: 6X |

tool: D134: 6u |

tool: D123: %10s


tool: D52: %-10s


tool: D28: -

tool: D76: +

tool: D25: #

tool: D78: 0

assistant: ```c
void fp_test(void) {
  int i, j, k, l;
  char buf[7];
  char *prefix = buf;
  char tp[20];
  puts("\nFormatted output test");
  printf("prefix  6d      6o      6x      6X      6u\n");
  strcpy(prefix, "%");
  for (i = 0; i < 2; i++) {
    for (j = 0; j < 2; j++) {
      for (k = 0; k < 2; k++) {
        for (l = 0; l < 2; l++) {
          strcpy(prefix, "%");
          if (i == 0)
            strcat(prefix, "-");
          if (j == 0)
            strcat(prefix, "+");
          if (k == 0)
            strcat(prefix, "#");
          if (l == 0)
            strcat(prefix, "0");
          printf("%5s |", prefix);
          strcpy(tp, prefix);
          strcat(tp, "6d |");
          printf(tp, -123);
          strcpy(tp, prefix);
          strcat(tp, "6o |");
          printf(tp, 255);
          strcpy(tp, prefix);
          strcat(tp, "6x |");
          printf(tp, 255);
          strcpy(tp, prefix);
          strcat(tp, "6X |");
          printf(tp, 255);
          strcpy(tp, prefix);
          strcat(tp, "6u |");
          printf(tp, (~0));
          printf("\n");
        }
      }
    }
  }
  printf("%10s\n", (char *)NULL);
  printf("%-10s\n", (char *)NULL);
}
```