HelenOS sources

labs               94 common/include/stdlib.h extern long labs(long);
labs               94 kernel/generic/common/include/stdlib.h extern long labs(long);
labs               94 uspace/lib/c/common/include/stdlib.h extern long labs(long);
labs              281 uspace/lib/c/test/stdlib.c 	li = labs(1);
labs              290 uspace/lib/c/test/stdlib.c 	li = labs(-1);
labs               94 uspace/lib/posix/include/common/stdlib.h extern long labs(long);
HelenOS homepage, sources at GitHub