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/* filename.h: declarations for manipulating filenames.
Copyright (C) 1992, 2011 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#ifndef FILENAME_H
#define FILENAME_H
#include "types.h"
/* This searches specifically for the PK font FONT_NAME at resolution
DPI. If FONT_NAME is absolute or explicitly relative, we simply
return whether `FONT_NAME.DPIpk' is readable. Otherwise, we use the
environment variables PKFONTS, then TEXPKS, then TEXFONTS for the
paths to search. We return NULL if the font cannot be found. */
extern string find_pk_filename (string font_name, unsigned dpi);
/* Like `find_pk_filename', except search for a GF font named
`FONT_NAME.DPIgf'. The environment variables used are GFFONTS then
TEXFONTS. We return NULL if the font cannot be found. */
extern string find_gf_filename (string font_name, unsigned dpi);
/* Like `find_pk_filename', except search for a TFM file named
`FONT_NAME.tfm'. The environment variable used is TEXFONTS. We
return NULL if the font cannot be found. */
extern string find_tfm_filename (string font_name);
#endif /* not FILENAME_H */
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