SCCS-vsn: usr.bin/f77/tests/tests/fs027.f 5.1
--- /dev/null
+ subroutine fs027(ivon01)
+c comment section
+c
+c fs027
+c
+c this subroutine is called by the main program fm026. the
+c subroutine argument is incremented by 1 and control returned
+c to the calling program.
+c
+c references
+c american national standard programming language fortran,
+c x3.9-1978
+c
+c section 15.6, subroutines
+c section 15.8, return statement
+c
+c test section
+c
+c subroutine subprogram
+c
+c increment argument by 1 and return to calling program.
+c
+ ivon02 = ivon01
+ ivon02 = ivon02 + 1
+ ivon01 = ivon02
+ ivon02 = 300
+ return
+ end