#define wr(h,s) do { \
char hbuf[80]; \
char *str = (s); \
- sprintf(hbuf, "%-8.8s:%d:", (h), strlen(str)); \
+ sprintf(hbuf, "%-8.8s:%d:", (h), (int)strlen(str)); \
write(wctx, hbuf, strlen(hbuf)); \
write(wctx, str, strlen(str)); \
write(wctx, "\n", 1); \