/*++ /* NAME /* write_buf 3 /* SUMMARY /* write buffer or bust /* SYNOPSIS /* #include <iostuff.h> /* /* ssize_t write_buf(fd, buf, len, timeout) /* int fd; /* const char *buf; /* ssize_t len; /* int timeout; /* DESCRIPTION /* write_buf() writes a buffer to the named stream in as many /* fragments as needed, and returns the number of bytes written, /* which is always the number requested or an error indication. /* /* Arguments: /* .IP fd /* File descriptor in the range 0..FD_SETSIZE. /* .IP buf /* Address of data to be written. /* .IP len /* Amount of data to be written. /* .IP timeout /* Bounds the time in seconds to wait until \fIfd\fD becomes writable. /* A value <= 0 means do not wait; this is useful only when \fIfd\fR /* uses blocking I/O. /* DIAGNOSTICS /* write_buf() returns -1 in case of trouble. The global \fIerrno\fR /* variable reflects the nature of the problem. /* LICENSE /* .ad /* .fi /* The Secure Mailer license must be distributed with this software. /* AUTHOR(S) /* Wietse Venema /* IBM T.J. Watson Research /* P.O. Box 704 /* Yorktown Heights, NY 10598, USA
/*--*/
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