49 	va_list ap;  in execl()  local
53 	va_start(ap, arg);  in execl()
55 	while (va_arg(ap, char *) != NULL)  in execl()
57 	va_end(ap);  in execl()
63 	va_start(ap, arg);  in execl()
66 	while ((argv[n] = va_arg(ap, char *)) != NULL)  in execl()
68 	va_end(ap);  in execl()
75 	va_list ap;  in execle()  local
79 	va_start(ap, arg);  in execle()
81 	while (va_arg(ap, char *) != NULL)  in execle()
83 	va_end(ap);  in execle()
89 	va_start(ap, arg);  in execle()
92 	while ((argv[n] = va_arg(ap, char *)) != NULL)  in execle()
94 	envp = va_arg(ap, char **);  in execle()
95 	va_end(ap);  in execle()
102 	va_list ap;  in execlp()  local
106 	va_start(ap, arg);  in execlp()
108 	while (va_arg(ap, char *) != NULL)  in execlp()
110 	va_end(ap);  in execlp()
116 	va_start(ap, arg);  in execlp()
119 	while ((argv[n] = va_arg(ap, char *)) != NULL)  in execlp()
121 	va_end(ap);  in execlp()