Utility Functions and C Language Reference > C Language Reference > Alphabetical List of Functions > putenv

putenv

Example: putenv Process Control Functions

Inserts a new definition into an environment table.

int putenv( const char *envstring); 

envstring A string containing the name of the variable, an equal sign (=) and the value for the environment variable:
varname=value

Return Values

0 if successful and -1 in case of error.

For putenv details, refer to your C language documentation.