52 	int n;  in execl()  local
55 	n = 1;  in execl()
57 		n++;  in execl()
59 	argv = alloca((n + 1) * sizeof(*argv));  in execl()
65 	n = 1;  in execl()
67 	while ((argv[n] = va_arg(ap, char *)) != NULL)  in execl()
68 		n++;  in execl()
78 	int n;  in execle()  local
81 	n = 1;  in execle()
83 		n++;  in execle()
85 	argv = alloca((n + 1) * sizeof(*argv));  in execle()
91 	n = 1;  in execle()
93 	while ((argv[n] = va_arg(ap, char *)) != NULL)  in execle()
94 		n++;  in execle()
105 	int n;  in execlp()  local
108 	n = 1;  in execlp()
110 		n++;  in execlp()
112 	argv = alloca((n + 1) * sizeof(*argv));  in execlp()
118 	n = 1;  in execlp()
120 	while ((argv[n] = va_arg(ap, char *)) != NULL)  in execlp()
121 		n++;  in execlp()