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- /*
- * Write "n" bytes to a descriptor.
- * Use in place of write() when fd is a stream socket.
- */
-
- int
- writen(fd, ptr, nbytes)
- register int fd;
- register char *ptr;
- register int nbytes;
- {
- int nleft, nwritten;
-
- nleft = nbytes;
- while (nleft > 0) {
- nwritten = write(fd, ptr, nleft);
- if (nwritten <= 0)
- return(nwritten); /* error */
-
- nleft -= nwritten;
- ptr += nwritten;
- }
- return(nbytes - nleft);
- }
-