| ActiveTcl User Guide |

## Tcl/Tk Documentation > TclLib > SourceRCFile

### Tcl/Tk Applications | Tcl Commands | Tk Commands | Tcl Library | Tk Library

### NAME

Tcl_SourceRCFile - source the Tcl rc file

### SYNOPSIS

#include <tcl.h>
void
Tcl_SourceRCFile(interp)

### ARGUMENTS

Tcl_Interp *interp (in)
  Tcl interpreter to source rc file into.

### DESCRIPTION

Tcl_SourceRCFile is used to source the Tcl rc file at startup. It is typically invoked by Tcl_Main or Tk_Main. The name of the file sourced is obtained from the global variable tcl_rcFileName in the interpreter given by interp. If this variable is not defined, or if the file it indicates cannot be found, no action is taken.

### KEYWORDS

application-specific initialization, main program, rc file
Copyright © 1995-1997 Roger E. Critchlow Jr. Copyright © 1998-2000 by Scriptics Corporation.