How do I show what fields a struct has in GDB?

Question

I came upon a struct (called ngx_http_variable_value_t) in my GDB (debugger) session and I would like to print what fields it has in the console.

Is tha

Answer 1

set print pretty on

This option also gives newlines and indentation for p *my_struct_pointer.

Which do you prefer:

$2 = {path = {mnt = 0xffff8800070ce1a0, dentry = 0xffff880006850600},last = {{{hash = 3537271320, len = 2}, hash_len = 12127205912}, name = 0xffff88000659501c "../b.out"}

or:

$3 = {
  path = {
    mnt = 0xffff8800070ce1a0, 
    dentry = 0xffff880006850600
  }, 
  last = {
    {
      {
        hash = 3537271320, 
        len = 2
      }, 
      hash_len = 12127205912
    }, 
    name = 0xffff88000659501c "../b.out"
  },
}