Advanced Programming in the UNIX® Environment

ptg10805159

Appendix A Function Prototypes 893

ssize_t write(intfd,const void *buf,size_tnbytes);

<unistd.h> p. 72

Returns: number of bytes written if OK,−1 on error

ssize_t writev(intfd,const struct iovec *iov,intiovcnt);

<sys/uio.h> p. 521

Returns: number of bytes written if OK,−1 on error