ref: f5cf5b0df22e52c5c053467c751da56d8f801f2b
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);
}