Add libssh2_sftp_unlink_ex.3 and libssh2_sftp_write.3

docs/libssh2_sftp_unlink_ex.3

@@ -0,0 +1,44 @@
+.\" $Id: libssh2_sftp_unlink_ex.3,v 1.1 2007/06/14 16:46:14 jehousley Exp $
+.\"
+.TH libssh2_sftp_unlink_ex 3 "1 Jun 2007" "libssh2 0.15" "libssh2 manual"
+.SH NAME
+libssh2_sftp_unlink_ex - rename a file
+.SH SYNOPSIS
+#include <libssh2.h>
+#include <libssh2_sftp.h>
+
+int 
+libssh2_sftp_unlink_ex(LIBSSH2_SFTP *sftp, const char *filename, unsigned int filename_len);
+
+int 
+libssh2_sftp_unlink(LIBSSH2_SFTP *sftp, const char *filename);
+
+.SH DESCRIPTION
+\fIsftp\fP - SFTP instance as returned by 
+.BR libssh2_sftp_init(3)
+
+\fIfilename\fP - Path and name of the existing filesystem entry
+
+\fIfilename_len\fP - Length of the path and name of the existing 
+filesystem entry
+
+Unlink (delete) a file from the remote filesystem.
+
+.SH RETURN VALUE
+Return 0 on success or negative on failure.  It returns
+LIBSSH2_ERROR_EAGAIN when it would otherwise block. While
+LIBSSH2_ERROR_EAGAIN is a negative number, it isn't really a failure per se.
+
+.SH ERRORS
+\fILIBSSH2_ERROR_ALLOC\fP -  An internal memory allocation call failed.
+
+\fILIBSSH2_ERROR_SOCKET_SEND\fP - Unable to send data on socket.
+
+\fILIBSSH2_ERROR_SOCKET_TIMEOUT\fP - 
+
+\fILIBSSH2_ERROR_SFTP_PROTOCOL\fP - An invalid SFTP protocol response was 
+received on the socket, or an SFTP operation caused an errorcode to 
+be returned by the server.
+
+.SH SEE ALSO
+.BR libssh2_sftp_init(3)