#ifndef LIB_PID_T_H #define LIB_PID_T_H /* Process identifier. Moved from lib/user/syscall.h since both kernel- and user-space want the same definition. */ typedef int pid_t; #define PID_ERROR ((pid_t) -1) /* Format specifier for printf(), e.g.: printf ("pid=%"PRPTd"\n", pid); */ #define PRPTd d #endif /* lib/pid_t.h */