user: Please show me the C implementation that matches the assembly code listed below:

```asm
<main>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x10,%rsp
  mov    $0x32,%edi
  call   <malloc@plt>
  mov    %rax,-0x8(%rbp)
  mov    -0x8(%rbp),%rax
  mov    $0x32,%edx
  mov    $0x0,%esi
  mov    %rax,%rdi
  call   <memset@plt>
  mov    $0x0,%eax
  call   <test1@plt>
  cmp    $0xffffffff,%eax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  lea    D2(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x2,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <skiboot_snprintf@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x1,-0xc(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x25,%al
  jne    L16
  mov    -0x8(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  test   %al,%al
  jne    L16
  mov    $0x1,%eax
  jmp    L8
L16:
  mov    $0x0,%eax
L8:
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x89,%r8d
  lea    D108(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x2,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <skiboot_snprintf@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x0,-0xc(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x3,%edx
  lea    D83(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x89,%r8d
  lea    D108(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x4,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <skiboot_snprintf@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x3,-0xc(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x3,%edx
  lea    D113(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  test   %al,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x89,%r8d
  lea    D66(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x4,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <skiboot_snprintf@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x3,-0xc(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x3,%edx
  lea    D9(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  add    $0x3,%rax
  movzbl (%rax),%eax
  test   %al,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x89,%r8d
  lea    D66(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0x7,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <skiboot_snprintf@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x6,-0xc(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x6,%edx
  lea    D110(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  add    $0x6,%rax
  movzbl (%rax),%eax
  test   %al,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0x89,%r8d
  lea    D66(%rip),%rdx
  mov    %rdx,%rcx
  mov    $0xa,%edx
  mov    $0x32,%esi
  mov    %rax,%rdi
  mov    $0x0,%eax
  call   <skiboot_snprintf@plt>
  mov    %eax,-0xc(%rbp)
  cmpl   $0x9,-0xc(%rbp)
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    $0xa,%edx
  lea    D128(%rip),%rcx
  mov    %rcx,%rsi
  mov    %rax,%rdi
  call   <strncmp@plt>
  test   %rax,%rax
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  add    $0x9,%rax
  movzbl (%rax),%eax
  test   %al,%al
  sete   %al
  movzbl %al,%eax
  mov    %eax,%edi
  call   <assert@plt>
  mov    -0x8(%rbp),%rax
  mov    %rax,%rdi
  call   <free@plt>
  mov    $0x1,%edi
  call   <test_printf_u@plt>
  mov    $0x1,%edi
  call   <test_printf_0u@plt>
  mov    $0x1,%edi
  call   <test_printf_d@plt>
  mov    $0xffffffff,%edi
  call   <test_printf_d@plt>
  lea    D33(%rip),%rax
  mov    %rax,%rdi
  call   <test_printf_x@plt>
  lea    D126(%rip),%rax
  mov    %rax,%rdi
  call   <test_printf_x@plt>
  mov    $0x0,%eax
  call   <test_printf_c@plt>
  mov    $0x0,%eax
  call   <test_printf_p@plt>
  mov    $0x0,%eax
  call   <test_printf_o@plt>
  mov    $0x0,%edi
  call   <test_printf_h@plt>
  mov    $0x80,%edi
  call   <test_printf_h@plt>
  mov    $0x100,%edi
  call   <test_printf_h@plt>
  mov    $0xffffffff,%edi
  call   <test_printf_h@plt>
  mov    $0x7fff,%edi
  call   <test_printf_h@plt>
  mov    $0x8000,%edi
  call   <test_printf_h@plt>
  mov    $0xffff,%edi
  call   <test_printf_h@plt>
  mov    $0x0,%edi
  call   <test_printf_z@plt>
  mov    $0xffffffff,%edi
  call   <test_printf_z@plt>
  mov    $0x3039,%edi
  call   <test_printf_z@plt>
  mov    $0x7a12000,%edi
  call   <test_printf_z@plt>
  mov    $0x0,%eax
  leave
  ret
```

tool_calls: name: retrieve_data
arguments: tag: D2
data_type: string
name: retrieve_data
arguments: tag: D108
data_type: string
name: retrieve_data
arguments: tag: D83
data_type: string
name: retrieve_data
arguments: tag: D113
data_type: string
name: retrieve_data
arguments: tag: D66
data_type: string
name: retrieve_data
arguments: tag: D9
data_type: string
name: retrieve_data
arguments: tag: D110
data_type: string
name: retrieve_data
arguments: tag: D128
data_type: string
name: retrieve_data
arguments: tag: D33
data_type: string
name: retrieve_data
arguments: tag: D126
data_type: string

tool: D2: %%

tool: D108: %d

tool: 

tool: D113: 137

tool: D66: Hello %d

tool: D9: Hel

tool: D110: Hello 

tool: D128: Hello 137

tool: D33: %x

tool: D126: %X

assistant: ```c
int main(void) {
  char *buf;
  int r;
  buf = (char *)malloc(50);
  memset(buf, 0, 50);
  assert(-1 == test1());
  r = skiboot_snprintf(buf, 50, 2, "%%");
  assert(r == 1);
  assert(buf[0] == '%' && buf[1] == 0);
  r = skiboot_snprintf(buf, 50, 2, "%d", 137);
  assert(0 == r);
  assert(0 == strncmp(buf, "", 3));
  r = skiboot_snprintf(buf, 50, 4, "%d", 137);
  assert(3 == r);
  assert(0 == strncmp(buf, "137", 3));
  assert(buf[3] == 0);
  r = skiboot_snprintf(buf, 50, 4, "Hello %d", 137);
  assert(3 == r);
  assert(0 == strncmp(buf, "Hel", 3));
  assert(buf[3] == 0);
  r = skiboot_snprintf(buf, 50, 7, "Hello %d", 137);
  assert(6 == r);
  assert(0 == strncmp(buf, "Hello ", 6));
  assert(buf[6] == 0);
  r = skiboot_snprintf(buf, 50, 10, "Hello %d", 137);
  assert(9 == r);
  assert(0 == strncmp(buf, "Hello 137", 10));
  assert(buf[9] == 0);
  free(buf);
  test_printf_u(1);
  test_printf_0u(1);
  test_printf_d(1);
  test_printf_d(-1);
  test_printf_x("%x");
  test_printf_x("%X");
  test_printf_c();
  test_printf_p();
  test_printf_o();
  test_printf_h(0);
  test_printf_h(128);
  test_printf_h(256);
  test_printf_h(-1);
  test_printf_h(32767);
  test_printf_h(32768);
  test_printf_h(65535);
  test_printf_z(0);
  test_printf_z(-1);
  test_printf_z(12345);
  test_printf_z(128000000);
  return 0;
}
```