DosQueryNPipeInfo uses this data structure for level-1 information.
typedef struct _PIPEINFO {
USHORT cbOut; /* Actual size of the buffer for outbound data. */
USHORT cbIn; /* Actual size of the buffer for inbound data. */
BYTE cbMaxInst; /* Maximum number of pipe instances. */
BYTE cbCurInst; /* Current number of pipe instances. */
BYTE cbName; /* Length of szName. */
CHAR szName[1]; /* Name of the pipe. */
} PIPEINFO;
typedef PIPEINFO * PIPEINFO ;