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 |
---|---|
Interface Stability |
Standard |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Return Values | Errors | Attributes | See Also