# Retrieve envvar into envdef

> [HTML Version](retrieveenvvarintoenvdef.htm)

**xcall CGIUTL, CGIOP\_GETENV, envvar, envdef, status**

_Opcode_ 5, CGIOP\_GETENV, retrieves the contents of the environment variable _envvar_ into the string variable _envdef_. 

**Parameters**

_envvar  _([String](string.htm.md))  \[in\]

name of the environment variable to query, e.g. "CONTENT\_LENGTH"

_envdef_  ([String](string.htm.md))  \[out\]

value of the specified environment variable, or null if _envvar_ not defined

_status_  ([Num](num.htm.md))  \[out\]

_status_ will be set to 0 for OK, or 1 if the variable had to be truncated to fit in _envdef_.