user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<step3_lng>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x50,%rsp
  mov    %rdi,-0x28(%rbp)
  mov    %rsi,-0x30(%rbp)
  mov    %rdx,-0x38(%rbp)
  mov    %rcx,-0x40(%rbp)
  mov    %r8,-0x48(%rbp)
  mov    %r9,-0x50(%rbp)
  movl   $0x1,-0x1c(%rbp)
  jmp    L33
L24:
  movl   $0x0,-0x1c(%rbp)
  movq   $0x0,-0x10(%rbp)
  jmp    L27
L99:
  mov    -0x10(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L18
  movq   $0x0,-0x18(%rbp)
  jmp    L50
L127:
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L159
  mov    0x18(%rbp),%rax
  imul   -0x10(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,8),%rdx
  mov    -0x30(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%rax
  test   %rax,%rax
  jne    L159
  mov    0x18(%rbp),%rax
  imul   -0x10(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x48(%rbp),%rax
  add    %rdx,%rax
  movl   $0x1,(%rax)
  movq   $0x0,-0x8(%rbp)
  jmp    L32
L150:
  mov    0x18(%rbp),%rax
  imul   -0x8(%rbp),%rax
  mov    %rax,%rdx
  mov    -0x18(%rbp),%rax
  add    %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x38(%rbp),%rax
  add    %rdx,%rax
  mov    (%rax),%eax
  test   %eax,%eax
  jne    L157
  addq   $0x1,-0x8(%rbp)
L32:
  mov    -0x8(%rbp),%rax
  cmp    0x20(%rbp),%rax
  jl     L150
  jmp    L76
L157:
  nop
L76:
  mov    -0x8(%rbp),%rax
  cmp    0x20(%rbp),%rax
  jne    L56
  mov    -0x50(%rbp),%r8
  mov    -0x48(%rbp),%rdi
  mov    -0x40(%rbp),%rcx
  mov    -0x38(%rbp),%rdx
  mov    -0x30(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  push   -0x10(%rbp)
  push   -0x18(%rbp)
  push   0x28(%rbp)
  push   0x20(%rbp)
  push   0x18(%rbp)
  push   0x10(%rbp)
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <step4_lng@plt>
  add    $0x30,%rsp
  jmp    L81
L56:
  mov    -0x18(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    0x10(%rbp),%rax
  add    %rdx,%rax
  movl   $0x1,(%rax)
  mov    -0x8(%rbp),%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x50(%rbp),%rax
  add    %rdx,%rax
  movl   $0x0,(%rax)
  movl   $0x1,-0x1c(%rbp)
  jmp    L18
L159:
  addq   $0x1,-0x18(%rbp)
L50:
  mov    -0x18(%rbp),%rax
  cmp    0x18(%rbp),%rax
  jl     L127
L18:
  addq   $0x1,-0x10(%rbp)
L27:
  mov    -0x10(%rbp),%rax
  cmp    0x20(%rbp),%rax
  jl     L99
L33:
  cmpl   $0x0,-0x1c(%rbp)
  jne    L24
  mov    -0x50(%rbp),%r8
  mov    -0x48(%rbp),%rdi
  mov    -0x40(%rbp),%rcx
  mov    -0x38(%rbp),%rdx
  mov    -0x30(%rbp),%rsi
  mov    -0x28(%rbp),%rax
  push   0x28(%rbp)
  push   0x20(%rbp)
  push   0x18(%rbp)
  push   0x10(%rbp)
  mov    %r8,%r9
  mov    %rdi,%r8
  mov    %rax,%rdi
  call   <step5_lng@plt>
  add    $0x20,%rsp
L81:
  leave
  ret
```

assistant: ```c
void step3_lng(long *assignment, long *distMatrix, bool *starMatrix, bool *newStarMatrix, bool *primeMatrix, bool *coveredColumns, bool *coveredRows, long nOfRows, long nOfColumns, long minDim) {
  bool zerosFound;
  long row, col, starCol;
  zerosFound = true;
  while (zerosFound) {
    zerosFound = false;
    for (col = 0; col < nOfColumns; col++)
      if (!coveredColumns[col])
        for (row = 0; row < nOfRows; row++)
          if ((!coveredRows[row]) && (distMatrix[row + nOfRows * col] == 0)) {
            primeMatrix[row + nOfRows * col] = true;
            for (starCol = 0; starCol < nOfColumns; starCol++)
              if (starMatrix[row + nOfRows * starCol])
                break;
            if (starCol == nOfColumns) {
              step4_lng(assignment, distMatrix, starMatrix, newStarMatrix, primeMatrix, coveredColumns, coveredRows, nOfRows, nOfColumns, minDim, row, col);
              return;
            } else {
              coveredRows[row] = true;
              coveredColumns[starCol] = false;
              zerosFound = true;
              break;
            }
          }
  }
  step5_lng(assignment, distMatrix, starMatrix, newStarMatrix, primeMatrix, coveredColumns, coveredRows, nOfRows, nOfColumns, minDim);
}
```