#ifndef _SYS_WAIT_H #define _SYS_WAIT_H #ifdef __cplusplus extern "C" { #endif #define __NEED_pid_t #define __NEED_id_t #define __NEED_time_t #define __NEED_struct_timeval #define __NEED_siginfo_t #include typedef int idtype_t; pid_t wait (int *); int waitid (idtype_t, id_t, siginfo_t *, int); pid_t waitpid (pid_t, int *, int ); #ifdef _GNU_SOURCE #include pid_t wait3 (int *, int, struct rusage *); pid_t wait4 (pid_t, int *, int, struct rusage *); #endif #include #include #ifdef __cplusplus } #endif #endif