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#include <sys/sem.h> #include "syscall.h" #include "ipc.h" int semop(int id, struct sembuf *buf, size_t n) { #ifdef SYS_semop return syscall(SYS_semop, id, buf, n); #else return syscall(SYS_ipc, IPCOP_semop, id, n, 0, buf); #endif }