SYS_ 40 lib/libkern/arch/i386/SYS.h #define SYSCALL(x) .text; .align 2; 2: jmp PIC_PLT(cerror); ENTRY(x); movl $(SYS_/**/x),%eax; int $0x80; jc 2b SYS_ 42 lib/libkern/arch/i386/SYS.h #define PSEUDO(x,y) ENTRY(x); movl $(SYS_/**/y),%eax; int $0x80; ret