SYS_ptrace
error = sysent[SYS_ptrace].sy_call(l, &pta, retval);
error = sysent[SYS_ptrace].sy_call(l, &pta, retval);
#define sys_ptrace sysent[SYS_ptrace].sy_call
#define sys_ptrace sysent[SYS_ptrace].sy_call
{ SYS_ptrace, 0, (sy_call_t *)sys_ptrace },
{ SYS_ptrace, "ptrace" },
case SYS_ptrace :