# C-Library File IO Routines

PVGetEnvMode( ) | Get Environment Variables

## Format

intptr_t APIDEF PVGetEnvMode(HPVKENV hEnv, int iFlag);

Where:

hEnv | Handle to environment structure
iFlag | Selector of the environment variable to retrieve the value

## Description

PVK_GetEnvMode( ) is used to get the value of the environment variable. If successful, the function returns the value of the environment variable specified by iFlag. Returns PV_ERROR(-1) on failure.