Hello, Just noticed this in an older snap shot of sys (probably `fixed'): lib/libc/arch/mips/sys/sbrk.s #defines then uses the macro SYS_brk (= 17). The other ports (well i386 and m68k) use the macro SYS_break (also = 17) from <sys/syscall.h>. Comments? confused, Andrew (PS Ditto for brk.s)