Function nginx::pcre16_get_named_substring

pub unsafe extern "C" fn pcre16_get_named_substring(
    arg1: *const pcre16, 
    arg2: *const c_ushort, 
    arg3: *mut c_int, 
    arg4: c_int, 
    arg5: *const c_ushort, 
    arg6: *mut *const c_ushort
) -> c_int