[yuyi98]

This PR fix struct field name using c keyword typeof (fix #22779).

• Fix struct field name using c keyword typeof.
• Add test.

struct Keywords {
	typeof u8
}

fn main() {
	key := Keywords{}
	println(key)
}

PS D:\Test\v\tt1> v run .
Keywords{
    typeof: 0
}

_{Huly®: V_0.6-21228}

[felipensp]

Please, rebase over master 👍🏻

[spytheman]

Excellent work.