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#include <sys/socket.h> #include "syscall.h" #include "socketcall.h" int getsockopt(int fd, int level, int optname, void *optval, socklen_t *optlen) { unsigned long args[] = { fd, level, optname, (unsigned long)optval, (unsigned long)optlen }; return syscall2(__NR_socketcall, SYS_GETSOCKOPT, (long)args); }