Sun Studio 12:Fortran 库参考
    
 
 获取
  当前工作目录, getcwd ( Index Term Link )
  登录名, getlog ( Index Term Link )
  环境变量, getenv ( Index Term Link )
  进程 ID, getpid ( Index Term Link )
  文件描述符, getfd ( Index Term Link )
  文件指针, getfilep ( Index Term Link )
  用户 ID, getuid ( Index Term Link )
  字符 getc, fgetc ( Index Term Link )
  组 ID, getgid ( Index Term Link )