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Usenet 1994 January
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usenetsourcesnewsgroupsinfomagicjanuary1994.iso
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misc
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volume8
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gnuplot1.10A
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part07
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help
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main.c
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C/C++ Source or Header
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1989-09-09
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1KB
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71 lines
/*
* Program : help
* Module : main.c
* Programmer : R. Stolfa
*
* Purpose : To support a VMS-like help facility
*
* Modification History:
* 08/26/87 Created
* 07/13/88 Fixed end-of-program detection to work correctly
*/
#define MAIN
#include "global.h"
main (argc, argv)
int argc;
char *argv[];
{
int done;
char *helpdir, *getenv();
--argc; ++argv;
if ((helpdir = getenv ("HELPDIR")) == NULL)
strcpy(Root_Dir, ROOTDIR);
else
strcpy (Root_Dir, helpdir);
if (argc >= 2 && strcmp(*argv,"-r") == 0) { /* Absolute directory */
strcpy(Root_Dir, *++argv);
++argv;
argc += 2;
}
while (argc--) { /* Construct relative root directory */
strcat(Root_Dir,"/");
strcat(Root_Dir, *argv);
++argv;
}
initialize();
done = FALSE;
while (done != TRUE) {
/*
* Free memory to keep user memory from growing
*/
free_list (PRINT);
free_list (ACRON);
free_list (TOPIC);
/*
* If we are recursing out of the help tree,
* do not print the help stuff...
*/
lines = 0;
if (done != UP)
help();
scan_topics ();
if (done != UP)
format_help ();
done = input_choice ();
if ((done == UP) && (strcmp (Path, Root_Dir) == 0))
done = TRUE;
}
printf ("\n");
exit(0);
}