Function r_core::r_sys_cmd_str_full

pub unsafe extern "C" fn r_sys_cmd_str_full(
    cmd: *const c_char, 
    input: *const c_char, 
    ilen: c_int, 
    output: *mut *mut c_char, 
    len: *mut c_int, 
    sterr: *mut *mut c_char
) -> c_int