screen_create_context()
Graphics and Screen4.0 (8.x)Screen Graphics Subsystem Developer's GuideAPIProgrammingUtilities
Establish a connection with Screen
Synopsis:
#include <screen/screen.h>
int screen_create_context(screen_context_t *pctx,
int flags)
Arguments:
- pctx
- A pointer to a
screen_context_t
where a handle for the new context can be stored. - flags
- The type of context to be created. This integer is a bitmask that represents the combination of Screen context types.
Library:
libscreenDescription:
Function type: Immediate Execution
This function establishes communication with Screen. This function opens /dev/screen
and sends the proper connect sequence. If the call succeeds, memory is allocated to store the context state. Screen creates an event queue and associates it with the connecting process.
Returns:
0
if successful, or -1
if an error occurred (errno
is set; refer to errno.h
for more details).
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