ref: c274fe25a4e927e79c881d4a47f0dd4ea0c1e7aa
dir: /sys/src/ape/lib/ap/plan9/execle.c/
#include <unistd.h>
int
execle(const char *name, const char *arg0, const char *aore, ...)
{
char *p;
for(p=(char *)(&name)+1; *p; )
p++;
return execve(name, &arg0, (char **)p+1);
}