Initializing help system before first use

fgetid

fgetid

Purpose
Get the stream number of the current input, output or stream.
Synopsis
int fgetid(XPRMcontext ctx, int flag);
Arguments
ctx 
Mosel's execution context
flag 
XPRM_F_READ 
Get input stream number
XPRM_F_WRITE 
Get output stream number
XPRM_F_ERROR 
Get error stream number
Return value
Stream number or -2 if the corresponding stream is not available.
Further information
This function returns the stream number of the current input, output or error stream.
Related topics
fselect.

Parent Topic Input and output

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