#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_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