ref: 42a0212d55360cdc703a2e496fe0e4cea2b32dc4
dir: /sys/src/ape/lib/ap/plan9/execle.c/
#include <unistd.h>
int
execle(const char *name, const char *arg0, const char *, ...)
{
	char *p;
	for(p=(char *)(&name)+1; *p; )
		p++;
	return execve(name, &arg0, (char **)p+1);
}