49 static int __execl(const char* name, const char* argv0, ExecVariant variant, va_list ap) {  in __execl()  argument
52   va_copy(count_ap, ap);  in __execl()
63   while ((argv[n] = va_arg(ap, char*)) != nullptr) {  in __execl()
68   char** argp = (variant == kIsExecLE) ? va_arg(ap, char**) : environ;  in __execl()
70   va_end(ap);  in __execl()
76   va_list ap;  in execl()  local
77   va_start(ap, arg);  in execl()
78   int result = __execl(name, arg, kIsExecL, ap);  in execl()
79   va_end(ap);  in execl()
84   va_list ap;  in execle()  local
85   va_start(ap, arg);  in execle()
86   int result = __execl(name, arg, kIsExecLE, ap);  in execle()
87   va_end(ap);  in execle()
92   va_list ap;  in execlp()  local
93   va_start(ap, arg);  in execlp()
94   int result = __execl(name, arg, kIsExecLP, ap);  in execlp()
95   va_end(ap);  in execlp()