Describes what type of file is referenced by a specified file descriptor.
#include <prio.h> PRDescType PR_GetDescType(PRFileDesc *file);
The function has the following parameter:
filePRFileDesc object whose descriptor type is to be returned.The function returns a PRDescType enumeration constant that describes the type of file.
The PRDescType enumeration is defined as follows:
typedef enum PRDescType {
PR_DESC_FILE = 1,
PR_DESC_SOCKET_TCP = 2,
PR_DESC_SOCKET_UDP = 3,
PR_DESC_LAYERED = 4
} PRDescType;
The enumeration has the following enumerators:
PR_DESC_FILEPRFileDesc object represents a normal file.PR_DESC_SOCKET_TCPPRFileDesc object represents a TCP socket.PR_DESC_SOCKET_UDPPRFileDesc object represents a UDP socket.PR_DESC_LAYEREDPRFileDesc object is a layered file descriptor.