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

```asm
<main>:
  endbr64
  push   %r15
  lea    D112(%rip),%rdi
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0x18,%rsp
  call   <puts@plt>
  lea    D65(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%esi
  lea    D90(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  movl   $0x1,0x8(%rsp)
  movl   $0x1,0xc(%rsp)
L129:
  mov    0xc(%rsp),%ebx
  lea    D54(%rip),%rdi
  xor    %eax,%eax
  lea    0x1(%rbx),%ebp
  mov    %ebx,%esi
  call   <printf@plt>
  mov    %ebp,%edx
  mov    %ebp,%esi
  lea    D42(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    0x8(%rsp),%eax
  mov    %eax,%r15d
  add    $0x1,%eax
  mov    %eax,0x8(%rsp)
  cmp    $0x1f,%ebx
  je     L270
  mov    0x8(%rsp),%ebx
  lea    D90(%rip),%rdi
  xor    %eax,%eax
  mov    $0x1,%r14d
  mov    %ebx,%esi
  call   <printf@plt>
  lea    -0x1(%rbx,%rbx,1),%eax
  addl   $0x2,0xc(%rsp)
  mov    %eax,0x4(%rsp)
  nopl   0x0(%rax)
L71:
  mov    %r14d,%esi
  lea    D30(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  xor    %esi,%esi
  xor    %edx,%edx
  nopl   (%rax)
L58:
  xor    %eax,%eax
  jmp    L243
  nopl   0x0(%rax)
L226:
  mov    %ecx,%eax
L243:
  cmp    %eax,%edx
  je     L228
  lea    (%rax,%rdx,1),%ecx
  cmp    %r14d,%ecx
  jne    L228
  cmp    %eax,%edx
  setle  %cl
  cmp    $0x1,%cl
  sbb    $0xffffffff,%esi
L228:
  lea    0x1(%rax),%ecx
  cmp    %eax,%r15d
  jne    L226
  lea    0x1(%rdx),%eax
  cmp    %edx,%r15d
  je     L32
  mov    %eax,%edx
  jmp    L58
  nopl   (%rax)
L32:
  xor    %r12d,%r12d
  xor    %ebp,%ebp
  lea    D49(%rip),%r13
  cmp    $0x2,%esi
  jg     L209
  lea    D33(%rip),%r13
L280:
  xor    %ebx,%ebx
  jmp    L255
  nopl   0x0(%rax)
L20:
  mov    %eax,%ebx
L255:
  cmp    %ebx,%r12d
  jg     L57
  lea    (%rbx,%r12,1),%eax
  cmp    %r14d,%eax
  je     L306
L57:
  lea    0x1(%rbx),%eax
  cmp    %ebx,%r15d
  jne    L20
  lea    0x1(%r12),%eax
  cmp    %r12d,%r15d
  je     L118
  mov    %eax,%r12d
  jmp    L280
  nopl   0x0(%rax,%rax,1)
L87:
  lea    0x1(%rbp),%eax
  cmp    %ebp,%r15d
  je     L191
  mov    %eax,%ebp
L209:
  xor    %ebx,%ebx
  jmp    L111
  cs nopw 0x0(%rax,%rax,1)
L297:
  mov    %eax,%ebx
L111:
  cmp    %ebx,%ebp
  je     L138
  lea    (%rbx,%rbp,1),%eax
  cmp    %r14d,%eax
  jne    L138
  cmp    %ebx,%ebp
  jle    L263
L138:
  lea    0x1(%rbx),%eax
  cmp    %ebx,%r15d
  jne    L297
  jmp    L87
  nopl   0x0(%rax)
L306:
  cmp    %ebx,%r12d
  je     L200
  mov    %ebx,%edx
  mov    %r12d,%esi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L57
  nopw   0x0(%rax,%rax,1)
L263:
  mov    %ebx,%edx
  mov    %ebp,%esi
  test   %r12d,%r12d
  jne    L85
  lea    D113(%rip),%rdi
  xor    %eax,%eax
  mov    $0x1,%r12d
  call   <printf@plt>
  jmp    L138
  nop
L85:
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L138
L191:
  xor    %eax,%eax
  lea    D127(%rip),%rdi
  call   <printf@plt>
  test   $0x1,%r14b
  je     L117
L118:
  mov    %r14d,%esi
  lea    D7(%rip),%rdi
  xor    %eax,%eax
  add    $0x1,%r14d
  call   <printf@plt>
  cmp    0x4(%rsp),%r14d
  jne    L71
  jmp    L129
  nopl   (%rax)
L200:
  mov    %r12d,%edx
  mov    %r12d,%esi
  lea    D130(%rip),%rdi
  xor    %eax,%eax
  call   <printf@plt>
  jmp    L57
L117:
  mov    %r14d,%esi
  lea    D128(%rip),%rdi
  xor    %eax,%eax
  sar    %esi
  mov    %esi,%edx
  call   <printf@plt>
  jmp    L118
L270:
  lea    D97(%rip),%rdi
  call   <puts@plt>
  add    $0x18,%rsp
  xor    %eax,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
```

tool_calls: name: disassemble_data
arguments: tag: D112
data_type: string
name: disassemble_data
arguments: tag: D65
data_type: string
name: disassemble_data
arguments: tag: D90
data_type: string
name: disassemble_data
arguments: tag: D54
data_type: string
name: disassemble_data
arguments: tag: D42
data_type: string
name: disassemble_data
arguments: tag: D30
data_type: string
name: disassemble_data
arguments: tag: D49
data_type: string
name: disassemble_data
arguments: tag: D33
data_type: string
name: disassemble_data
arguments: tag: D113
data_type: string
name: disassemble_data
arguments: tag: D127
data_type: string
name: disassemble_data
arguments: tag: D7
data_type: string
name: disassemble_data
arguments: tag: D130
data_type: string
name: disassemble_data
arguments: tag: D128
data_type: string
name: disassemble_data
arguments: tag: D97
data_type: string

tool: D112: void fp_sqr_comba_small(fp_int *A, fp_int *B)
{
   fp_digit *a, b[32], c0, c1, c2, sc0, sc1, sc2;

tool: D65:    switch (A->used) { 

tool: D90:    case %d:
      a = A->dp;
      COMBA_START; 

      /* clear carries */
      CLEAR_CARRY;

      /* output 0 */
      SQRADD(a[0],a[0]);
      COMBA_STORE(b[0]);


tool: D54:       COMBA_STORE2(b[%d]);


tool: D42:       COMBA_FINI;

      B->used = %d;
      B->sign = FP_ZPOS;
      memcpy(B->dp, b, %d * sizeof(fp_digit));
      fp_clamp(B);
      break;



tool: D30: 
      /* output %d */
      CARRY_FORWARD;
   

tool: D49: SQRADDAC(a[%d], a[%d]); 

tool: D33:    SQRADD2(a[%d], a[%d]); 

tool: D113: SQRADDSC(a[%d], a[%d]); 

tool: D127: SQRADDDB; 

tool: D7: 
      COMBA_STORE(b[%d]);


tool: D130:    SQRADD(a[%d], a[%d]); 

tool: D128: SQRADD(a[%d], a[%d]); 

tool: D97: }

}

assistant: ```c
int main(int argc, char **argv) {
  int x, y, z, N, f;
  printf("void fp_sqr_comba_small(fp_int *A, fp_int *B)\n"
         "{\n"
         "   fp_digit *a, b[32], c0, c1, c2, sc0, sc1, sc2;\n");
  printf("   switch (A->used) { \n");
  for (N = 1; N <= 16; N++) {
    printf("   case %d:\n"
           "      a = A->dp;\n"
           "      COMBA_START; \n"
           "\n"
           "      /* clear carries */\n"
           "      CLEAR_CARRY;\n"
           "\n"
           "      /* output 0 */\n"
           "      SQRADD(a[0],a[0]);\n"
           "      COMBA_STORE(b[0]);\n",
           N);
    for (x = 1; x < N + N - 1; x++) {
      printf("\n      /* output %d */\n"
             "      CARRY_FORWARD;\n   ",
             x);
      for (f = y = 0; y < N; y++) {
        for (z = 0; z < N; z++) {
          if (z != y && z + y == x && y <= z) {
            ++f;
          }
        }
      }
      if (f <= 2) {
        for (y = 0; y < N; y++) {
          for (z = 0; z < N; z++) {
            if (y <= z && (y + z) == x) {
              if (y == z) {
                printf("   SQRADD(a[%d], a[%d]); ", y, y);
              } else {
                printf("   SQRADD2(a[%d], a[%d]); ", y, z);
              }
            }
          }
        }
      } else {
        f = 0;
        for (y = 0; y < N; y++) {
          for (z = 0; z < N; z++) {
            if (z != y && z + y == x && y <= z) {
              if (f == 0) {
                printf("SQRADDSC(a[%d], a[%d]); ", y, z);
                f = 1;
              } else {
                printf("SQRADDAC(a[%d], a[%d]); ", y, z);
              }
            }
          }
        }
        printf("SQRADDDB; ");
        if ((x & 1) == 0) {
          printf("SQRADD(a[%d], a[%d]); ", x / 2, x / 2);
        }
      }
      printf("\n      COMBA_STORE(b[%d]);\n", x);
    }
    printf("      COMBA_STORE2(b[%d]);\n", N + N - 1);
    printf("      COMBA_FINI;\n"
           "\n"
           "      B->used = %d;\n"
           "      B->sign = FP_ZPOS;\n"
           "      memcpy(B->dp, b, %d * sizeof(fp_digit));\n"
           "      fp_clamp(B);\n"
           "      break;\n\n",
           N + N, N + N);
  }
  printf("}\n\n}\n");
  return 0;
}
```