2 * int cas32(u32int *p, u32int ov, u32int nv);
3 * int cas(uint *p, int ov, int nv);
4 * int casp(void **p, void *ov, void *nv);
5 * int casl(ulong *p, ulong ov, ulong nv);
28 TEXT _xinc(SB), 1, $-4 /* void _xinc(long *); */
29 TEXT ainc(SB), 1, $-4 /* long ainc(long *); */
40 TEXT _xdec(SB), 1, $-4 /* long _xdec(long *); */
41 TEXT adec(SB), 1, $-4 /* long adec(long *); */