/* include writen */#include    "unp.h"##  1 ##src/lib/writen.c##ssize_t                         /* Write "n" bytes to a descriptor. */##  2 ##src/lib/writen.c##writen(int fd, const void *vptr, size_t n)##  3 ##src/lib/writen.c##{##  4 ##src/lib/writen.c##    size_t  nleft;##  5 ##src/lib/writen.c##    ssize_t nwritten;##  6 ##src/lib/writen.c##    const char *ptr;##  7 ##src/lib/writen.c##    ptr = vptr;##  8 ##src/lib/writen.c##    nleft = n;##  9 ##src/lib/writen.c##    while (nleft > 0) {## 10 ##src/lib/writen.c##        if ((nwritten = write(fd, ptr, nleft)) <= 0) {## 11 ##src/lib/writen.c##            if (nwritten < 0 && errno == EINTR)## 12 ##src/lib/writen.c##                nwritten = 0;   /* and call write() again */## 13 ##src/lib/writen.c##            else## 14 ##src/lib/writen.c##                return (-1);    /* error */## 15 ##src/lib/writen.c##        }## 16 ##src/lib/writen.c##        nleft -= nwritten;## 17 ##src/lib/writen.c##        ptr += nwritten;## 18 ##src/lib/writen.c##    }## 19 ##src/lib/writen.c##    return (n);## 20 ##src/lib/writen.c##}## 21 ##src/lib/writen.c##/* end writen */void## 22 ##src/lib/writen.c##Writen(int fd, void *ptr, size_t nbytes)## 23 ##src/lib/writen.c##{## 24 ##src/lib/writen.c##    if (writen(fd, ptr, nbytes) != nbytes)## 25 ##src/lib/writen.c##        err_sys("writen error");## 26 ##src/lib/writen.c##}## 27 ##src/lib/writen.c##