readlink 获取当前进程对应proc/self/exe

[readlink 获取当前进程对应proc/self/exe]　　

shell中  readlink /proc/self/exe

READLINK(2)
NAME
       readlink - read value of a symbolic link
SYNOPSIS
       #include <unistd.h>
       ssize_t readlink(const char *path, char *buf, size_t bufsiz); 

 

参考:  http://hi.baidu.com/liujtm/item/e04202de560908f693a97414