Tcl_SourceRCFile manual page - Tcl Library Procedures

## Tcl8.6.4 Documentation > Tcl C API, version 8.6.4 > SourceRCFile

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### 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
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