csr_pipe_function_failed = 16, /* the function pipe() or CreatePipe() fails */
csr_dup2_function_failure = 17,
csr_execlp_function_failure = 18,
csr_pipe_function_failed = 16, /* the function pipe() or CreatePipe() fails */
csr_dup2_function_failure = 17,
csr_execlp_function_failure = 18,