| 1. | Function to supply the entry number and length of the
函数提供环境字符串表中的 |
| 2. | If there is no environment string in the specified position ,
如果指定的位置没有环境字符串，则 |
| 3. | If the string in
如果在环境字符串表中无法找到 |
| 4. | Environment string length
环境字符串长度。 |
| 5. | There is a maximum of 32768 characters for any environment string used as a command - line argument
任何用作命令行参数的环境字符串最多只能有32768个字符。 |
| 6. | Contains an integer , the string occupying that numeric position in the environment - string table is returned
包含整数，则返回占据环境字符串表中该数字位置的字符串。 |
| 7. | Function returns the text assigned to the specified environment stringthat is , the text following the equal sign in the environment - string table for that environment variable
函数返回分配给指定环境字符串的文本；即位于等号( = )后的、与该环境变量对应的环境字符串表中的文本。 |
| 8. | Expression that evaluates either a string containing the name of an environment variable , or an integer corresponding to the numeric order of an environment string in the environment - string table
表达式，计算为包含环境变量名称的字符串，或对应于环境字符串表中环境字符串的数字顺序的整数。 |
