char *XFetchBytes(display, nbytes_return)
Display *display;
int *nbytes_return;
Arguments
display
Specifies the connection to the X server.
nbytes_return
Returns the number of bytes in the buffer.
Description
The
XFetchBytes()
function
returns the number of bytes in the nbytes_return argument,
if the buffer contains data.
Otherwise, the function
returns NULL and sets nbytes to 0.
The appropriate amount of storage is allocated and the pointer returned.
The client must free this storage when finished with it by calling
XFree().