Class bufsize

cpp-subprocess/subprocess.hpp:790–793

! * The buffer size of the stdin/stdout/stderr * streams of the child process. * Default value is 0. */

 * Default value is 0.
 */
struct bufsize {
  explicit bufsize(int sz): bufsiz(sz) {}
  int  bufsiz = 0;
};

/*!
 * Option to defer spawning of the child process