4 * This source code is part of
8 * GROningen MAchine for Chemical Simulations
12 * Copyright (c) 1991-2001
13 * BIOSON Research Institute, Dept. of Biophysical Chemistry
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34 * Giving Russians Opium May Alter Current Situation
40 static char *SRCID_futil_h = "$Id$";
46 #ident "@(#) futil.h 1.1 11/23/92"
47 #endif /* HAVE_IDENT */
55 extern void no_buffers(void);
56 /* Turn off buffering of files (which is default) for debugging purposes */
58 extern bool fexist(char *fname);
59 /* Return TRUE when fname exists, FALSE otherwise */
61 extern bool eof(FILE *fp);
62 /* Return TRUE on end-of-file, FALSE otherwise */
64 extern bool is_pipe(FILE *fp);
65 /* Check whether the file (opened by ffopen) is a pipe */
67 extern char *backup_fn(char *file);
68 /* Return a backup name for file (name with # before and after) */
70 extern FILE *ffopen(char *file,char *mode);
71 /* Return a valid file pointer when succesfull, exits otherwise
72 * If the file is in compressed format, open a pipe which uncompresses
73 * the file! Therefore, files must be closed with ffclose (see below)
76 extern void ffclose(FILE *fp);
77 /* Close files or pipes */
79 #define fclose ffclose
81 extern void frewind(FILE *fp);
82 /* Does not rewind pipes, but does so for normal files */
84 #define rewind frewind
86 bool is_pipe(FILE *fp);
88 extern FILE *uncompress(char *fn,char *mode);
89 extern FILE *gunzip(char *fn,char *mode);
90 /* Open a pipe to uncompress or unzip files. Must be closed with pclose */
92 extern char *libfn(char *file);
94 extern FILE *libopen(char *file);
95 /* Open a library file for reading. This looks in the current directory
96 * first, and then in the library directory. If the file is not found,
97 * it terminates with a fatal_error
100 extern char *low_libfn(char *file,bool bFatal);
102 extern FILE *low_libopen(char *file,bool bFatal);
103 /* The same as the above, but does not terminate if (!bFatal) */
109 #endif /* _futil_h */