pgrx_pg_sys

Function add_string_reloption

Source 
pub unsafe fn add_string_reloption(
    arg_kinds: bits32,
    arg_name: *const c_char,
    arg_desc: *const c_char,
    arg_default_val: *const c_char,
    arg_validator: validate_string_relopt,
    arg_lockmode: LOCKMODE,
)