1 #include <sys/ptrace.h>
6 long ptrace(int req, ...)
10 void *addr, *data, *addr2;
14 pid = va_arg(ap, pid_t);
15 addr = va_arg(ap, void *);
16 data = va_arg(ap, void *);
17 addr2 = va_arg(ap, void *);
20 if (req-1U < 3) data = &result;
21 ret = syscall(SYS_ptrace, req, pid, addr, data, addr2);
23 if (ret < 0 || req-1U >= 3) return ret;