11-25-2016
No output screen when run from file manager
So I have ported a C++ program from windows to linux
and when I run it from terminal all is well. However
when executed from file manager there is no screen output.
The program runs and does what it should, just the problem
of not knowing if there are errors or if its even complete. Is there a way to have it open in terminal automatically?
Thanks.
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LEARN ABOUT OPENSOLARIS
delscreen
curs_initscr(3CURSES) Curses Library Functions curs_initscr(3CURSES)
NAME
curs_initscr, initscr, newterm, endwin, isendwin, set_term, delscreen - curses screen initialization and manipulation routines
SYNOPSIS
cc [ flag ... ] file ... -lcurses [ library ... ]
#include <curses.h>
WINDOW *initscr(void);
int endwin(void);
int isendwin(void);
SCREEN *newterm(char *type, FILE *outfd, FILE *infd);
SCREEN *set_term(SCREEN *new);
void delscreen(SCREEN * sp);
DESCRIPTION
initscr() is almost always the first routine that should be called (the exceptions are slk_init(), filter(), ripoffline(), use_env() and,
for multiple-terminal applications, newterm().) This determines the terminal type and initializes all curses data structures. initscr()
also causes the first call to refresh() to clear the screen. If errors occur, initscr() writes an appropriate error message to standard
error and exits; otherwise, a pointer is returned to stdscr(). If the program needs an indication of error conditions, newterm() should be
used instead of initscr(); initscr() should only be called once per application.
A program that outputs to more than one terminal should use the newterm() routine for each terminal instead of initscr(). A program that
needs an indication of error conditions, so it can continue to run in a line-oriented mode if the terminal cannot support a screen-oriented
program, would also use this routine. The routine newterm() should be called once for each terminal. It returns a variable of type SCREEN
* which should be saved as a reference to that terminal. The arguments are the type of the terminal to be used in place of $TERM, a file
pointer for output to the terminal, and another file pointer for input from the terminal (if type is NULL, $TERM will be used). The pro-
gram must also call endwin() for each terminal being used before exiting from curses. If newterm() is called more than once for the same
terminal, the first terminal referred to must be the last one for which endwin() is called.
A program should always call endwin() before exiting or escaping from curses mode temporarily. This routine restores tty modes, moves the
cursor to the lower left-hand corner of the screen and resets the terminal into the proper non-visual mode. Calling refresh() or doupdate()
after a temporary escape causes the program to resume visual mode.
The isendwin() routine returns TRUE if endwin() has been called without any subsequent calls to wrefresh(), and FALSE otherwise.
The set_term() routine is used to switch between different terminals. The screen reference new becomes the new current terminal. The previ-
ous terminal is returned by the routine. This is the only routine which manipulates SCREEN pointers; all other routines affect only the
current terminal.
The delscreen() routine frees storage associated with the SCREEN data structure. The endwin() routine does not do this, so delscreen()
should be called after endwin() if a particular SCREEN is no longer needed.
RETURN VALUES
endwin() returns the integer ERR upon failure and OK upon successful completion.
Routines that return pointers always return NULL on error.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|MT-Level |Unsafe |
+-----------------------------+-----------------------------+
SEE ALSO
curs_kernel(3CURSES), curs_refresh(3CURSES), curs_slk(3CURSES), curs_util(3CURSES), curses(3CURSES), attributes(5)
NOTES
The header <curses.h> automatically includes the headers <stdio.h> and <unctrl.h>.
Note that initscr() and newterm() may be macros.
SunOS 5.11 31 Dec 1996 curs_initscr(3CURSES)