user: What would the C source look like for the assembly code provided here:

```asm
<main>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xb8,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0xa8(%rsp)
  xor    %eax,%eax
  lea    D39(%rip),%rdi
  call   <system@plt>
  cmp    $0xffffffff,%eax
  je     L172
L166:
  lea    D146(%rip),%rsi
  lea    D94(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,%r15
  test   %rax,%rax
  je     L200
L18:
  lea    D68(%rip),%rsi
  lea    D130(%rip),%rdi
  call   <fopen@plt>
  mov    %rax,0x8(%rsp)
  test   %rax,%rax
  jne    L90
  lea    D64(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L90
L172:
  lea    D12(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L166
L200:
  lea    D64(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L18
L183:
  lea    D50(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L70
L173:
  lea    D64(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L96
L221:
  sub    $0x30,%esi
  cmp    $0xa,%sil
  adc    $0x0,%ebp
L152:
  add    $0x1,%rcx
  movzbl (%rcx),%eax
  test   %al,%al
  je     L219
L32:
  mov    %eax,%esi
  mov    %eax,%edx
  and    $0xffffffdf,%edx
  sub    $0x41,%edx
  cmp    $0x1a,%dl
  adc    $0x0,%ebx
  cmp    $0x20,%al
  jne    L221
  add    $0x1,%r12d
  jmp    L152
L130:
  cmp    $0xffffffff,%eax
  je     L218
L151:
  lea    0x20(%rsp),%rdx
  mov    %r12d,%r9d
  mov    %ebp,%r8d
  mov    %ebx,%ecx
  lea    D2(%rip),%rsi
  mov    0x8(%rsp),%rdi
  call   <fprintf@plt>
  mov    %r14,%rdi
  call   <fclose@plt>
  mov    %r13,%rdi
  call   <free@plt>
L90:
  lea    0x20(%rsp),%rbp
L220:
  mov    %r15,%rdx
  mov    $0x80,%esi
  mov    %rbp,%rdi
  call   <fgets@plt>
  test   %rax,%rax
  je     L225
  mov    %rbp,%rdi
  call   <strlen@plt>
  mov    %eax,%ebx
  lea    -0x4(%rax),%edi
  movslq %edi,%rdi
  add    %rbp,%rdi
  lea    D16(%rip),%rsi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L220
  sub    $0x1,%ebx
  movslq %ebx,%rbx
  movb   $0x0,0x20(%rsp,%rbx,1)
  lea    0x18(%rsp),%rsi
  mov    %rbp,%rdi
  call   <stat@plt>
  cmp    $0xffffffff,%eax
  je     L183
L70:
  mov    0x1c(%rsp),%edi
  call   <S_ISDIR@plt>
  test   %rax,%rax
  jne    L220
  mov    0x18(%rsp),%edx
  mov    $0x400,%eax
  cmp    %eax,%edx
  cmovle %edx,%eax
  mov    %eax,0x4(%rsp)
  lea    0x1(%rax),%edi
  call   <malloc@plt>
  mov    %rax,%r13
  lea    0x20(%rsp),%rdi
  lea    D146(%rip),%rsi
  call   <fopen@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L173
L96:
  mov    $0x0,%r12d
  mov    $0x0,%ebp
  mov    $0x0,%ebx
L219:
  mov    %r14,%rcx
  mov    0x4(%rsp),%edx
  mov    $0x1,%esi
  mov    %r13,%rdi
  call   <fread@plt>
  test   %eax,%eax
  jle    L130
  cltq
  movb   $0x0,0x0(%r13,%rax,1)
  movzbl 0x0(%r13),%eax
  test   %al,%al
  je     L219
  mov    %r13,%rcx
  jmp    L32
L218:
  lea    D42(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L151
L225:
  mov    %r15,%rdi
  call   <fclose@plt>
  mov    0x8(%rsp),%rdi
  call   <fclose@plt>
  lea    D94(%rip),%rdi
  call   <unlink@plt>
  cmp    $0xffffffff,%eax
  je     L140
L60:
  mov    0xa8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L46
  mov    $0x0,%eax
  add    $0xb8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L140:
  lea    D149(%rip),%rdi
  call   <perror@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L60
L46:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: read_data
arguments: tag: D39
type_infered: string
name: read_data
arguments: tag: D146
type_infered: string
name: read_data
arguments: tag: D94
type_infered: string
name: read_data
arguments: tag: D68
type_infered: string
name: read_data
arguments: tag: D130
type_infered: string
name: read_data
arguments: tag: D64
type_infered: string
name: read_data
arguments: tag: D12
type_infered: string
name: read_data
arguments: tag: D50
type_infered: string
name: read_data
arguments: tag: D2
type_infered: string
name: read_data
arguments: tag: D16
type_infered: string
name: read_data
arguments: tag: D42
type_infered: string
name: read_data
arguments: tag: D149
type_infered: string

tool: D39: ls > temp

tool: D146: rb

tool: D94: temp

tool: D68: wb

tool: D130: res

tool: D64: fail to open

tool: D12: fail to exec command

tool: D50: fail to get stat

tool: D2: %s, he sum of letter is : %d
the sum of number is : %d
the sum of blank is : %d


tool: D16: txt


tool: D42: fail to read

tool: D149: fail to unlink

assistant: ```c
int main(void) {
  FILE *in, *out;
  FILE *fp;
  struct stat statbuf;
  char file_name[128];
  char *buf;
  int n, len;
  char *p;
  int file_size = 0;
  int letter, number, blank;
  if (system("ls > temp") == -1) {
    perror("fail to exec command");
    exit(1);
  }
  fp = fopen("temp", "rb");
  if (fp == NULL) {
    perror("fail to open");
    exit(1);
  }
  out = fopen("res", "wb");
  if (out == NULL) {
    perror("fail to open");
    exit(1);
  }
  while (fgets(file_name, 128, fp) != NULL) {
    len = strlen(file_name);
    if (strcmp(&file_name[len - 4], "txt\n") != 0)
      continue;
    file_name[len - 1] = '\0';
    if (stat(file_name, &statbuf) == -1) {
      perror("fail to get stat");
      exit(1);
    }
    if (S_ISDIR(statbuf.st_mode))
      continue;
    if ((file_size = statbuf.st_size) > 1024)
      file_size = 1024;
    file_size++;
    buf = (char *)malloc(sizeof(char) * file_size);
    in = fopen(file_name, "rb");
    if (in == NULL) {
      perror("fail to open");
      exit(1);
    }
    letter = 0;
    number = 0;
    blank = 0;
    while ((n = fread(buf, sizeof(char), file_size - 1, in)) > 0) {
      buf[n] = '\0';
      p = buf;
      while (*p != '\0') {
        if (('a' <= *p && *p <= 'z') || ('A' <= *p && *p <= 'Z'))
          letter++;
        if (*p == ' ')
          blank++;
        if ('0' <= *p && *p <= '9')
          number++;
        p++;
      }
    }
    if (n == -1) {
      perror("fail to read");
      exit(1);
    }
    fprintf(out, "%s, he sum of letter is : %d\nthe sum of number is : %d\nthe sum of blank is : %d\n", file_name, letter, number, blank);
    fclose(in);
    free(buf);
  }
  fclose(fp);
  fclose(out);
  if (unlink("temp") == -1) {
    perror("fail to unlink");
    exit(1);
  }
  return 0;
}
```