Function php_all_sys::php80::zend_string_concat3

pub unsafe extern "C" fn zend_string_concat3(
    str1: *const c_char, 
    str1_len: size_t, 
    str2: *const c_char, 
    str2_len: size_t, 
    str3: *const c_char, 
    str3_len: size_t
) -> *mut zend_string