NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO
#include <stropts.h>int isastream(int fildes);
The isastream() function determines if a file descriptor represents a STREAMS file. The fildes argument refers to an open file descriptor.
Upon successful completion, isastream() returns 1 if fildes represents a STREAMS file, and 0 if it does not. Otherwise, -1 is return and errno is set to indicate the error.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE | ATTRIBUTE VALUE |
---|---|
MT-Level | MT-Safe |
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | ATTRIBUTES | SEE ALSO