Merge pull request #2165 from petterreinholdtsen/2.9-man-rtapi-io

Corrected rtapi_io(3rtapi) man page fixing typos and adding references.

Author: andypugh

docs/man/man3/rtapi_io.3rtapi

@@ -19,7 +19,7 @@
 .\" License along with this manual; if not, write to the Free
 .\" Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 .\" USA.
-.TH funct "3rtapi" "2014-06-28" "LinuxCNC Documentation" "RTAPI"
+.TH funct "3rtapi" "2022-11-29" "LinuxCNC Documentation" "RTAPI"
 .SH NAME
 
 rtapi_io.h \- RTAPI wrappers for linux kernel functionality
@@ -34,11 +34,11 @@ unsigned short rtapi_inw(unsigned short int port);
 .HP
 unsigned int rtapi_inl(unsigned short int port);
 .HP
-unsigned void rtapi_inb(unsigned char value, unsigned short int port);
+unsigned void rtapi_outb(unsigned char value, unsigned short int port);
 .HP
-unsigned void rtapi_inw(unsigned short value, unsigned short int port);
+unsigned void rtapi_outw(unsigned short value, unsigned short int port);
 .HP
-unsigned void rtapi_inl(unsigned int value, unsigned short int port);
+unsigned void rtapi_outl(unsigned int value, unsigned short int port);
 
 .SH DESCRIPTION
 In kernel space, each rtapi_xxx or RTAPI_XXX identifier is mapped to the
@@ -55,3 +55,12 @@ uspace rtapi_app when it is not setuid root.
 .SH RETURN VALUE
 As in Linux.
 .SH SEE ALSO
+\fBinb(3)\fR,
+\fBinw(3)\fR,
+\fBinl(3)\fR,
+\fBoutb(3)\fR,
+\fBoutw(3)\fR,
+\fBoutl(3)\fR,
+\fBioperm(3)\fR,
+.SH AUTHOR
+Jeff Epler