#define SYS_OPENPIPE 67 // Open a FIFO pipe pair
#define SYS_CLOSE 68 // Close a file
#define SYS_COPYFD 69 // Create a copy of a file handle
-#define SYS_FDCTL 70 // Modify properties of a file descriptor
+#define SYS_FDCTL 70 // Modify flags of a file descriptor
#define SYS_READ 71 // Read from an open file
#define SYS_WRITE 72 // Write to an open file
#define SYS_IOCTL 73 // Perform an IOCtl Call