user: What is the c source code of the assembly code below:

```asm
<nsvg__parseNumber>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  sub    $0x30,%rsp
  mov    %rdi,-0x18(%rbp)
  mov    %rsi,-0x20(%rbp)
  mov    %edx,-0x24(%rbp)
  mov    -0x24(%rbp),%eax
  sub    $0x1,%eax
  mov    %eax,-0x4(%rbp)
  movl   $0x0,-0x8(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L88
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  jne    L220
L88:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L159
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L159:
  addq   $0x1,-0x18(%rbp)
  jmp    L220
L15:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L63
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L63:
  addq   $0x1,-0x18(%rbp)
L220:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L82
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <nsvg__isdigit@plt>
  test   %rax,%rax
  jne    L15
L82:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2e,%al
  jne    L97
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L188
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L188:
  addq   $0x1,-0x18(%rbp)
  jmp    L68
L121:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L23
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L23:
  addq   $0x1,-0x18(%rbp)
L68:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L97
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <nsvg__isdigit@plt>
  test   %rax,%rax
  jne    L121
L97:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x65,%al
  je     L18
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x45,%al
  jne    L152
L18:
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x6d,%al
  je     L152
  mov    -0x18(%rbp),%rax
  add    $0x1,%rax
  movzbl (%rax),%eax
  cmp    $0x78,%al
  je     L152
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L101
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L101:
  addq   $0x1,-0x18(%rbp)
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2d,%al
  je     L56
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  cmp    $0x2b,%al
  jne    L226
L56:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L130
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L130:
  addq   $0x1,-0x18(%rbp)
  jmp    L226
L238:
  mov    -0x8(%rbp),%eax
  cmp    -0x4(%rbp),%eax
  jge    L136
  mov    -0x8(%rbp),%eax
  lea    0x1(%rax),%edx
  mov    %edx,-0x8(%rbp)
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rax,%rdx
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  mov    %al,(%rdx)
L136:
  addq   $0x1,-0x18(%rbp)
L226:
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  test   %al,%al
  je     L152
  mov    -0x18(%rbp),%rax
  movzbl (%rax),%eax
  movsbl %al,%eax
  mov    %eax,%edi
  call   <nsvg__isdigit@plt>
  test   %rax,%rax
  jne    L238
L152:
  mov    -0x8(%rbp),%eax
  movslq %eax,%rdx
  mov    -0x20(%rbp),%rax
  add    %rdx,%rax
  movb   $0x0,(%rax)
  mov    -0x18(%rbp),%rax
  leave
  ret
```

assistant: ```c
const char *nsvg__parseNumber(const char *s, char *it, const int size) {
  const int last = size - 1;
  int i = 0;
  if (*s == '-' || *s == '+') {
    if (i < last)
      it[i++] = *s;
    s++;
  }
  while (*s && nsvg__isdigit(*s)) {
    if (i < last)
      it[i++] = *s;
    s++;
  }
  if (*s == '.') {
    if (i < last)
      it[i++] = *s;
    s++;
    while (*s && nsvg__isdigit(*s)) {
      if (i < last)
        it[i++] = *s;
      s++;
    }
  }
  if ((*s == 'e' || *s == 'E') && (s[1] != 'm' && s[1] != 'x')) {
    if (i < last)
      it[i++] = *s;
    s++;
    if (*s == '-' || *s == '+') {
      if (i < last)
        it[i++] = *s;
      s++;
    }
    while (*s && nsvg__isdigit(*s)) {
      if (i < last)
        it[i++] = *s;
      s++;
    }
  }
  it[i] = '\0';
  return s;
}
```