diff options
Diffstat (limited to 'sys/symtab/stnext.x')
-rw-r--r-- | sys/symtab/stnext.x | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/sys/symtab/stnext.x b/sys/symtab/stnext.x new file mode 100644 index 00000000..2304f00c --- /dev/null +++ b/sys/symtab/stnext.x @@ -0,0 +1,26 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include "symtab.h" + +# STNEXT -- Return a symstruct pointer to the next most recently entered +# symbol in the table, given a pointer to some symbol. Use to walk down +# the global symbol table list in the reverse of the order in which symbols +# were entered. + +pointer procedure stnext (stp, sym) + +pointer stp # symtab descriptor +pointer sym # pointer to 'current' symstruct +int el + +begin + if (sym == NULL) + return (NULL) + else { + el = E_NEXTGLOB (E_BASE(sym)) + if (el == NULL) + return (NULL) + else + return (E_USERFIELDS (ST_STABP(stp) + el)) + } +end |