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-Ldir flag, 1–12, 1–20
ld linker
creating shared object libraries, 1–21 to 1–22
functions performed, 1–19
locating undefined symbols using nm, 1–19
messages, 1–22, 1–23
relationship to cob command, 1–19
relationship to cobol command, 1–19, 1–27
restrictions creating shared libraries, 1–22
sample use with cobol command, 1–9, 1–15
specifying object libraries, 1–19 to 1–21
specifying shared object libraries, 1–22
-L flag, 1–12, 1–20
LIB$ESTABLISH routine, 13–15
user-written condition handler (ex.), 13–17
LIB$INITIALIZE problem, B–28
lib$K_* symbols, 13–21
LIB$REVERT routine, 13–15
LIB$_* symbols, 13–21
Libraries
condition value symbols, 13–15
default user object modules, 1–42
object modules, 1–41
return status, 13–15
system, 1–43
system-supplied object module libraries, 1–42
user-created object module libraries, 1–41
LINAGE clause, 6–8
differences, B–17
handling large values, B–17
using with WRITE statement, B–17
programming a 20-line logical page (ex.), 10–22
usage, 10–14
LINAGE-COUNTER special register, 10–14
Linage-file report
bottom margin, 10–13
footing area, 10–13
20-line logical page (fig.), 10–20
28-line logical page (fig.), 10–15
logical page, 10–13
logical page areas (fig.), 10–13
makeup, 10–12
page advancing, 10–14
page body, 10–13
page-overflow condition, 10–15
printing a, 10–19
top margin, 10–13
LINE-COUNTER option, 10–30
Line sequential file
creating, 6–26, 6–27
extending, 6–49
organization of, 6–5
advantages, 6–3
disadvantages, 6–3
organization of (fig.), 6–5
processing, 6–27
reading, 6–37
record format, 6–8
Line sequential file (cont’d)
rewriting records in, 6–48
specifying file organization and access mode,
6–22
updating, 6–48
writing, 6–28
writing records from, 6–28
LINKAGE SECTION items
and USE procedures; effect on optimization,
15–10
description, 12–12
example, 12–12
LINK command, 1–39
See also LINK qualifiers
qualifiers, 1–40
syntax, 1–39
Linker
errors
example of, 1–47
hints to avoid them, 1–47
messages, 1–47
format, 1–47
interpreting, 1–47
Linking programs, 1–19, 1–39 to 1–47
See also LINK command
/DEBUG, C–9
on OpenVMS Alpha, 1–39
on Tru64 UNIX, 1–19
using object module libraries, 1–41
using shareable images, 1–43
using system-supplied object module libraries,
1–42
using user-created object module libraries,
1–41
with non Compaq COBOL modules, 1–40
LINK qualifiers
/INCLUDE, object module library, 1–41
list of, 1–40
/SHARE, 1–43, 1–46
shareable images, 1–43
/LIST, 1–33, C–18
-list flag, 1–12
Listing files
compiler, 1–38
contained program, 1–38
debugging programs, 1–38
separate compilation, B–15
Literal phrases
number of
compiler implementation specifications,
A–1
Literal subscripts
accessing tables, 4–13
definition, 4–13
Locking records
See Protecting records
Index–15