#ifndef __idtype_t_defined
#define __idtype_t_defined
/* The following values are used by the `waitid' function. */
typedef enum
{
P_ALL, /* Wait for any child. */
P_PID, /* Wait for specified process. */
P_PGID, /* Wait for members of process group. */
P_PIDFD, /* Wait for the child referred by the PID file
descriptor. */
} idtype_t;
#endif