// - -1: error
// - 0: stream ended
// - 1: no problems occured
-PUBLIC_FN ssize_t write_nointr(int fd, void *buf, ssize_t count, int *last_res) {
+PUBLIC_FN ssize_t write_nointr(int fd, const void *buf, ssize_t count, int *last_res) {
if (count == -1) count = strlen(buf);
errno = 0;
size_t done = 0;