user: 这段汇编代码用C语言表示是什么样的：

```asm
<matrixMult>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x98,%rsp
  mov    %edi,-0x74(%rbp)
  mov    %esi,-0x78(%rbp)
  mov    %rdx,-0x80(%rbp)
  mov    %rcx,-0x88(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    -0x78(%rbp),%ebx
  movslq %ebx,%rax
  sub    $0x1,%rax
  mov    %rax,-0x60(%rbp)
  movslq %ebx,%rax
  mov    %rax,%r8
  mov    $0x0,%r9d
  mov    -0x78(%rbp),%r9d
  movslq %r9d,%rax
  sub    $0x1,%rax
  mov    %rax,-0x58(%rbp)
  movslq %r9d,%rax
  mov    %rax,-0xb0(%rbp)
  movq   $0x0,-0xa8(%rbp)
  mov    %rsp,%rax
  mov    %rax,-0xb0(%rbp)
  mov    -0x78(%rbp),%esi
  mov    -0x74(%rbp),%edi
  movslq %esi,%rax
  sub    $0x1,%rax
  mov    %rax,-0x50(%rbp)
  movslq %esi,%rax
  mov    %rax,-0xc0(%rbp)
  movq   $0x0,-0xb8(%rbp)
  movslq %esi,%rax
  lea    0x0(,%rax,4),%r8
  movslq %edi,%rax
  sub    $0x1,%rax
  mov    %rax,-0x48(%rbp)
  movslq %esi,%rax
  mov    %rax,-0xa0(%rbp)
  movq   $0x0,-0x98(%rbp)
  movslq %edi,%rax
  mov    %rax,%r14
  mov    $0x0,%r15d
  mov    -0x98(%rbp),%rdx
  imul   %r14,%rdx
  mov    -0xa0(%rbp),%rax
  imul   %r15,%rax
  lea    (%rdx,%rax,1),%rcx
  mov    -0xa0(%rbp),%rax
  mul    %r14
  add    %rdx,%rcx
  mov    %rcx,%rdx
  movslq %esi,%rax
  mov    %rax,%r12
  mov    $0x0,%r13d
  movslq %edi,%rax
  mov    %rax,%r10
  mov    $0x0,%r11d
  mov    %r13,%rdx
  imul   %r10,%rdx
  mov    %r11,%rax
  imul   %r12,%rax
  lea    (%rdx,%rax,1),%rcx
  mov    %r12,%rax
  mul    %r10
  add    %rdx,%rcx
  mov    %rcx,%rdx
  movslq %esi,%rdx
  movslq %edi,%rax
  imul   %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    $0x10,%eax
  sub    $0x1,%rax
  add    %rdx,%rax
  mov    $0x10,%edi
  mov    $0x0,%edx
  div    %rdi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L57:
  cmp    %rdx,%rsp
  je     L3
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L57
L3:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L54
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L54:
  mov    %rsp,%rax
  add    $0x3,%rax
  shr    $0x2,%rax
  shl    $0x2,%rax
  mov    %rax,-0x40(%rbp)
  movl   $0x0,-0x6c(%rbp)
  jmp    L93
L10:
  movl   $0x0,-0x68(%rbp)
  jmp    L82
L5:
  mov    %r8,%rcx
  shr    $0x2,%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x68(%rbp),%edx
  movslq %edx,%rsi
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  imul   %rcx,%rdx
  add    %rsi,%rdx
  movl   $0x0,(%rax,%rdx,4)
  movl   $0x0,-0x64(%rbp)
  jmp    L6
L86:
  mov    -0x6c(%rbp),%eax
  movslq %eax,%rdx
  movslq %ebx,%rax
  imul   %rdx,%rax
  lea    0x0(,%rax,4),%rdx
  mov    -0x80(%rbp),%rax
  add    %rax,%rdx
  mov    -0x64(%rbp),%eax
  cltq
  mov    (%rdx,%rax,4),%edx
  mov    -0x64(%rbp),%eax
  movslq %eax,%rcx
  movslq %r9d,%rax
  imul   %rcx,%rax
  lea    0x0(,%rax,4),%rcx
  mov    -0x88(%rbp),%rax
  add    %rax,%rcx
  mov    -0x68(%rbp),%eax
  cltq
  mov    (%rcx,%rax,4),%eax
  mov    %edx,%edi
  imul   %eax,%edi
  mov    %r8,%rcx
  shr    $0x2,%rcx
  mov    -0x40(%rbp),%rax
  mov    -0x68(%rbp),%edx
  movslq %edx,%rsi
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  imul   %rcx,%rdx
  add    %rsi,%rdx
  mov    (%rax,%rdx,4),%eax
  mov    %r8,%rsi
  shr    $0x2,%rsi
  lea    (%rdi,%rax,1),%ecx
  mov    -0x40(%rbp),%rax
  mov    -0x68(%rbp),%edx
  movslq %edx,%rdi
  mov    -0x6c(%rbp),%edx
  movslq %edx,%rdx
  imul   %rsi,%rdx
  add    %rdi,%rdx
  mov    %ecx,(%rax,%rdx,4)
  addl   $0x1,-0x64(%rbp)
L6:
  mov    -0x64(%rbp),%eax
  cmp    -0x78(%rbp),%eax
  jl     L86
  addl   $0x1,-0x68(%rbp)
L82:
  mov    -0x68(%rbp),%eax
  cmp    -0x78(%rbp),%eax
  jl     L5
  addl   $0x1,-0x6c(%rbp)
L93:
  mov    -0x6c(%rbp),%eax
  cmp    -0x74(%rbp),%eax
  jl     L10
  mov    -0xb0(%rbp),%rsp
  nop
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L79
  call   <__stack_chk_fail@plt>
L79:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
int **matrixMult(int r, int c, int m1[r][c], int m2[r][c]) {
  int i, j, k;
  int mul[r][c];
  for (i = 0; i < r; i++) {
    for (j = 0; j < c; j++) {
      mul[i][j] = 0;
      for (k = 0; k < c; k++) {
        mul[i][j] += (m1[i][k] * m2[k][j]);
      }
    }
  }
}
```