ref: 876907a5306fc8c41536403185e3cafa23a2c7ed
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); }