1*53ee8cc1Swenshuai.xi #ifndef _UNISTD_H_ 2*53ee8cc1Swenshuai.xi #define _UNISTD_H_ 3*53ee8cc1Swenshuai.xi 4*53ee8cc1Swenshuai.xi # include <sys/unistd.h> 5*53ee8cc1Swenshuai.xi 6*53ee8cc1Swenshuai.xi #endif /* _UNISTD_H_ */ 7