gl_scenter( )

Description | Example | Error

Name:	int gl_scenter (void)
Inputs:	None
Returns:	0	Success.
	-1	Error.
Includes:	gfsc.h

Description

The gl_scenter( ) function must be called once before using any SCbus switching functions.

Example

#include "gfsc.h"  
/* initialize SCbus system */  
status = gl_scenter( );  
if (status)  
{  
   fprintf(stderr, "gl_scenter( ) error %d\n", status);  
   return (status);  
}

Error

• This function fails if the GFSH.SAV file cannot be found and opened with read and write privileges.
• This function also fails if %GFAX% is not defined.

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