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Diffstat (limited to 'doc/gawk.info')
| -rw-r--r-- | doc/gawk.info | 775 |
1 files changed, 392 insertions, 383 deletions
diff --git a/doc/gawk.info b/doc/gawk.info index f63c62ce..d11fdac9 100644 --- a/doc/gawk.info +++ b/doc/gawk.info @@ -9730,9 +9730,18 @@ with a pound sign (`#'). An associative array containing the values of the environment. The array indices are the environment variable names; the elements are the values of the particular environment variables. For - example, `ENVIRON["HOME"]' might be `/home/arnold'. Changing this - array does not affect the environment passed on to any programs - that `awk' may spawn via redirection or the `system()' function. + example, `ENVIRON["HOME"]' might be `/home/arnold'. + + For POSIX `awk', changing this array does not affect the + environment passed on to any programs that `awk' may spawn via + redirection or the `system()' function. + + However, beginning with version 4.2, if not in POSIX compatibility + mode, `gawk' does update its own environment when `ENVIRON' is + changed, thus changing the environment seen by programs that it + creates. You should therefore be especially careful if you modify + `ENVIRON["PATH"]"', which is the search path for finding + executable programs. Some operating systems may not have environment variables. On such systems, the `ENVIRON' array is empty (except for @@ -30885,9 +30894,9 @@ Index * dark corner, exit statement: Exit Statement. (line 30) * dark corner, field separators: Field Splitting Summary. (line 46) -* dark corner, FILENAME variable <1>: Auto-set. (line 93) +* dark corner, FILENAME variable <1>: Auto-set. (line 102) * dark corner, FILENAME variable: Getline Notes. (line 19) -* dark corner, FNR/NR variables: Auto-set. (line 314) +* dark corner, FNR/NR variables: Auto-set. (line 323) * dark corner, format-control characters: Control Letters. (line 18) * dark corner, FS as null string: Single Character Fields. (line 20) @@ -31071,12 +31080,12 @@ Index (line 81) * differences in awk and gawk, command line directories: Command line directories. (line 6) -* differences in awk and gawk, ERRNO variable: Auto-set. (line 73) +* differences in awk and gawk, ERRNO variable: Auto-set. (line 82) * differences in awk and gawk, error messages: Special FD. (line 16) * differences in awk and gawk, FIELDWIDTHS variable: User-modified. (line 35) * differences in awk and gawk, FPAT variable: User-modified. (line 45) -* differences in awk and gawk, FUNCTAB variable: Auto-set. (line 119) +* differences in awk and gawk, FUNCTAB variable: Auto-set. (line 128) * differences in awk and gawk, function arguments (gawk): Calling Built-in. (line 16) * differences in awk and gawk, getline command: Getline. (line 19) @@ -31099,21 +31108,21 @@ Index (line 257) * differences in awk and gawk, print/printf statements: Format Modifiers. (line 13) -* differences in awk and gawk, PROCINFO array: Auto-set. (line 133) +* differences in awk and gawk, PROCINFO array: Auto-set. (line 142) * differences in awk and gawk, record separators: Records. (line 132) * differences in awk and gawk, regexp constants: Using Constant Regexps. (line 43) * differences in awk and gawk, regular expressions: Case-sensitivity. (line 26) * differences in awk and gawk, RS/RT variables: Records. (line 187) -* differences in awk and gawk, RT variable: Auto-set. (line 266) +* differences in awk and gawk, RT variable: Auto-set. (line 275) * differences in awk and gawk, single-character fields: Single Character Fields. (line 6) * differences in awk and gawk, split() function: String Functions. (line 347) * differences in awk and gawk, strings: Scalar Constants. (line 20) * differences in awk and gawk, strings, storing: Records. (line 206) -* differences in awk and gawk, SYMTAB variable: Auto-set. (line 274) +* differences in awk and gawk, SYMTAB variable: Auto-set. (line 283) * differences in awk and gawk, TEXTDOMAIN variable: User-modified. (line 162) * differences in awk and gawk, trunc-mod operation: Arithmetic Ops. @@ -31154,8 +31163,8 @@ Index * dynamically loaded extensions: Dynamic Extensions. (line 6) * e debugger command (alias for enable): Breakpoint Control. (line 73) * EBCDIC: Ordinal Functions. (line 45) -* effective group ID of gawk user: Auto-set. (line 138) -* effective user ID of gawk user: Auto-set. (line 142) +* effective group ID of gawk user: Auto-set. (line 147) +* effective user ID of gawk user: Auto-set. (line 151) * egrep utility <1>: Egrep Program. (line 6) * egrep utility: Bracket Expressions. (line 24) * egrep.awk program: Egrep Program. (line 54) @@ -31210,13 +31219,13 @@ Index (line 11) * EREs (Extended Regular Expressions): Bracket Expressions. (line 24) * ERRNO variable <1>: TCP/IP Networking. (line 54) -* ERRNO variable: Auto-set. (line 73) +* ERRNO variable: Auto-set. (line 82) * ERRNO variable, with BEGINFILE pattern: BEGINFILE/ENDFILE. (line 26) * ERRNO variable, with close() function: Close Files And Pipes. (line 138) * ERRNO variable, with getline command: Getline. (line 19) * error handling: Special FD. (line 16) -* error handling, ERRNO variable and: Auto-set. (line 73) +* error handling, ERRNO variable and: Auto-set. (line 82) * error output: Special FD. (line 6) * escape processing, gsub()/gensub()/sub() functions: Gory Details. (line 6) @@ -31270,7 +31279,7 @@ Index (line 6) * extension API version: Extension Versioning. (line 6) -* extension API, version number: Auto-set. (line 229) +* extension API, version number: Auto-set. (line 238) * extension example: Extension Example. (line 6) * extension registration: Registration Functions. (line 6) @@ -31350,7 +31359,7 @@ Index * file names, distinguishing: Auto-set. (line 52) * file names, in compatibility mode: Special Caveats. (line 9) * file names, standard streams in gawk: Special FD. (line 46) -* FILENAME variable <1>: Auto-set. (line 93) +* FILENAME variable <1>: Auto-set. (line 102) * FILENAME variable: Reading Files. (line 6) * FILENAME variable, getline, setting with: Getline Notes. (line 19) * filenames, assignments as: Ignoring Assigns. (line 6) @@ -31420,9 +31429,9 @@ Index * flush buffered output: I/O Functions. (line 25) * fnmatch() extension function: Extension Sample Fnmatch. (line 12) -* FNR variable <1>: Auto-set. (line 103) +* FNR variable <1>: Auto-set. (line 112) * FNR variable: Records. (line 6) -* FNR variable, changing: Auto-set. (line 314) +* FNR variable, changing: Auto-set. (line 323) * for statement: For Statement. (line 6) * for statement, looping over arrays: Scanning an Array. (line 20) * fork() extension function: Extension Sample Fork. @@ -31472,7 +31481,7 @@ Index * FSF (Free Software Foundation): Manual History. (line 6) * fts() extension function: Extension Sample File Functions. (line 77) -* FUNCTAB array: Auto-set. (line 119) +* FUNCTAB array: Auto-set. (line 128) * function calls: Function Calls. (line 6) * function calls, indirect: Indirect Calls. (line 6) * function definition example: Function Example. (line 6) @@ -31522,7 +31531,7 @@ Index * G-d: Acknowledgments. (line 78) * Garfinkle, Scott: Contributors. (line 34) * gawk program, dynamic profiling: Profiling. (line 179) -* gawk version: Auto-set. (line 204) +* gawk version: Auto-set. (line 213) * gawk, ARGIND variable in: Other Arguments. (line 12) * gawk, awk and <1>: This Manual. (line 14) * gawk, awk and: Preface. (line 23) @@ -31543,7 +31552,7 @@ Index * gawk, distribution: Distribution contents. (line 6) * gawk, ERRNO variable in <1>: TCP/IP Networking. (line 54) -* gawk, ERRNO variable in <2>: Auto-set. (line 73) +* gawk, ERRNO variable in <2>: Auto-set. (line 82) * gawk, ERRNO variable in <3>: BEGINFILE/ENDFILE. (line 26) * gawk, ERRNO variable in <4>: Close Files And Pipes. (line 138) @@ -31560,7 +31569,7 @@ Index * gawk, FPAT variable in <1>: User-modified. (line 45) * gawk, FPAT variable in: Splitting By Content. (line 27) -* gawk, FUNCTAB array in: Auto-set. (line 119) +* gawk, FUNCTAB array in: Auto-set. (line 128) * gawk, function arguments and: Calling Built-in. (line 16) * gawk, hexadecimal numbers and: Nondecimal-numbers. (line 42) * gawk, IGNORECASE variable in <1>: Array Sorting Functions. @@ -31591,7 +31600,7 @@ Index * gawk, OS/2 version of: PC Using. (line 10) * gawk, PROCINFO array in <1>: Two-way I/O. (line 116) * gawk, PROCINFO array in <2>: Time Functions. (line 47) -* gawk, PROCINFO array in: Auto-set. (line 133) +* gawk, PROCINFO array in: Auto-set. (line 142) * gawk, regexp constants and: Using Constant Regexps. (line 28) * gawk, regular expressions, case sensitivity: Case-sensitivity. @@ -31599,14 +31608,14 @@ Index * gawk, regular expressions, operators: GNU Regexp Operators. (line 6) * gawk, regular expressions, precedence: Regexp Operators. (line 161) -* gawk, RT variable in <1>: Auto-set. (line 266) +* gawk, RT variable in <1>: Auto-set. (line 275) * gawk, RT variable in <2>: Multiple Line. (line 129) * gawk, RT variable in: Records. (line 132) * gawk, See Also awk: Preface. (line 36) * gawk, source code, obtaining: Getting. (line 6) * gawk, splitting fields and: Constant Size. (line 88) * gawk, string-translation functions: I18N Functions. (line 6) -* gawk, SYMTAB array in: Auto-set. (line 274) +* gawk, SYMTAB array in: Auto-set. (line 283) * gawk, TEXTDOMAIN variable in: User-modified. (line 162) * gawk, timestamps: Time Functions. (line 6) * gawk, uses for: Preface. (line 36) @@ -31693,7 +31702,7 @@ Index * Grigera, Juan: Contributors. (line 57) * group database, reading: Group Functions. (line 6) * group file: Group Functions. (line 6) -* group ID of gawk user: Auto-set. (line 177) +* group ID of gawk user: Auto-set. (line 186) * groups, information about: Group Functions. (line 6) * gsub <1>: String Functions. (line 135) * gsub: Using Constant Regexps. @@ -31988,7 +31997,7 @@ Index * mawk utility <3>: Concatenation. (line 36) * mawk utility <4>: Getline/Pipe. (line 62) * mawk utility: Escape Sequences. (line 124) -* maximum precision supported by MPFR library: Auto-set. (line 218) +* maximum precision supported by MPFR library: Auto-set. (line 227) * McPhee, Patrick: Contributors. (line 100) * message object files: Explaining gettext. (line 41) * message object files, converting from portable object files: I18N Example. @@ -32000,7 +32009,7 @@ Index * messages from extensions: Printing Messages. (line 6) * metacharacters in regular expressions: Regexp Operators. (line 6) * metacharacters, escape sequences for: Escape Sequences. (line 130) -* minimum precision supported by MPFR library: Auto-set. (line 221) +* minimum precision supported by MPFR library: Auto-set. (line 230) * mktime: Time Functions. (line 25) * modifiers, in format specifiers: Format Modifiers. (line 6) * monetary information, localization: Explaining gettext. (line 103) @@ -32053,7 +32062,7 @@ Index (line 47) * nexti debugger command: Debugger Execution Control. (line 49) -* NF variable <1>: Auto-set. (line 108) +* NF variable <1>: Auto-set. (line 117) * NF variable: Fields. (line 33) * NF variable, decrementing: Changing Fields. (line 107) * ni debugger command (alias for nexti): Debugger Execution Control. @@ -32062,9 +32071,9 @@ Index * non-existent array elements: Reference to Elements. (line 23) * not Boolean-logic operator: Boolean Ops. (line 6) -* NR variable <1>: Auto-set. (line 128) +* NR variable <1>: Auto-set. (line 137) * NR variable: Records. (line 6) -* NR variable, changing: Auto-set. (line 314) +* NR variable, changing: Auto-set. (line 323) * null strings <1>: Basic Data Typing. (line 26) * null strings <2>: Truth Values. (line 6) * null strings <3>: Regexp Field Splitting. @@ -32179,7 +32188,7 @@ Index * p debugger command (alias for print): Viewing And Changing Data. (line 36) * P1003.1 POSIX standard: Glossary. (line 454) -* parent process ID of gawk process: Auto-set. (line 186) +* parent process ID of gawk process: Auto-set. (line 195) * parentheses (), in a profile: Profiling. (line 146) * parentheses (), regexp operator: Regexp Operators. (line 79) * password file: Passwd Functions. (line 16) @@ -32343,24 +32352,24 @@ Index * printing, unduplicated lines of text: Uniq Program. (line 6) * printing, user information: Id Program. (line 6) * private variables: Library Names. (line 11) -* process group idIDof gawk process: Auto-set. (line 180) -* process ID of gawk process: Auto-set. (line 183) +* process group idIDof gawk process: Auto-set. (line 189) +* process ID of gawk process: Auto-set. (line 192) * processes, two-way communications with: Two-way I/O. (line 23) * processing data: Basic High Level. (line 6) * PROCINFO array <1>: Passwd Functions. (line 6) * PROCINFO array <2>: Time Functions. (line 47) -* PROCINFO array: Auto-set. (line 133) +* PROCINFO array: Auto-set. (line 142) * PROCINFO array, and communications via ptys: Two-way I/O. (line 116) * PROCINFO array, and group membership: Group Functions. (line 6) * PROCINFO array, and user and group ID numbers: Id Program. (line 15) * PROCINFO array, testing the field splitting: Passwd Functions. (line 161) -* PROCINFO array, uses: Auto-set. (line 239) +* PROCINFO array, uses: Auto-set. (line 248) * PROCINFO, values of sorted_in: Controlling Scanning. (line 24) * profiling awk programs: Profiling. (line 6) * profiling awk programs, dynamically: Profiling. (line 179) -* program identifiers: Auto-set. (line 151) +* program identifiers: Auto-set. (line 160) * program, definition of: Getting Started. (line 21) * programmers, attractiveness of: Two-way I/O. (line 6) * programming conventions, --non-decimal-data option: Nondecimal Data. @@ -32518,7 +32527,7 @@ Index * right shift: Bitwise Functions. (line 52) * right shift, bitwise: Bitwise Functions. (line 32) * Ritchie, Dennis: Basic Data Typing. (line 55) -* RLENGTH variable: Auto-set. (line 253) +* RLENGTH variable: Auto-set. (line 262) * RLENGTH variable, match() function and: String Functions. (line 221) * Robbins, Arnold <1>: Future Extensions. (line 6) * Robbins, Arnold <2>: Bugs. (line 32) @@ -32547,9 +32556,9 @@ Index * RS variable: Records. (line 20) * RS variable, multiline records and: Multiple Line. (line 17) * rshift: Bitwise Functions. (line 52) -* RSTART variable: Auto-set. (line 259) +* RSTART variable: Auto-set. (line 268) * RSTART variable, match() function and: String Functions. (line 221) -* RT variable <1>: Auto-set. (line 266) +* RT variable <1>: Auto-set. (line 275) * RT variable <2>: Multiple Line. (line 129) * RT variable: Records. (line 132) * Rubin, Paul <1>: Contributors. (line 15) @@ -32655,7 +32664,7 @@ Index (line 110) * sidebar, Changing FS Does Not Affect the Fields: Field Splitting Summary. (line 38) -* sidebar, Changing NR and FNR: Auto-set. (line 312) +* sidebar, Changing NR and FNR: Auto-set. (line 321) * sidebar, Controlling Output Buffering with system(): I/O Functions. (line 135) * sidebar, Escape Sequences for Metacharacters: Escape Sequences. @@ -32817,9 +32826,9 @@ Index * substr: String Functions. (line 479) * substring: String Functions. (line 479) * Sumner, Andrew: Other Versions. (line 64) -* supplementary groups of gawk process: Auto-set. (line 234) +* supplementary groups of gawk process: Auto-set. (line 243) * switch statement: Switch Statement. (line 6) -* SYMTAB array: Auto-set. (line 274) +* SYMTAB array: Auto-set. (line 283) * syntactic ambiguity: /= operator vs. /=.../ regexp constant: Assignment Ops. (line 147) * system: I/O Functions. (line 72) @@ -32998,10 +33007,10 @@ Index * variables, uninitialized, as array subscripts: Uninitialized Subscripts. (line 6) * variables, user-defined: Variables. (line 6) -* version of gawk: Auto-set. (line 204) -* version of gawk extension API: Auto-set. (line 229) -* version of GNU MP library: Auto-set. (line 215) -* version of GNU MPFR library: Auto-set. (line 211) +* version of gawk: Auto-set. (line 213) +* version of gawk extension API: Auto-set. (line 238) +* version of GNU MP library: Auto-set. (line 224) +* version of GNU MPFR library: Auto-set. (line 220) * vertical bar (|): Regexp Operators. (line 69) * vertical bar (|), | operator (I/O) <1>: Precedence. (line 65) * vertical bar (|), | operator (I/O): Getline/Pipe. (line 9) @@ -33277,341 +33286,341 @@ Node: Built-in Variables404874 Node: User-modified405969 Ref: User-modified-Footnote-1414327 Node: Auto-set414389 -Ref: Auto-set-Footnote-1427453 -Ref: Auto-set-Footnote-2427658 -Node: ARGC and ARGV427714 -Node: Arrays431568 -Node: Array Basics433073 -Node: Array Intro433899 -Node: Reference to Elements438216 -Node: Assigning Elements440486 -Node: Array Example440977 -Node: Scanning an Array442709 -Node: Controlling Scanning445023 -Ref: Controlling Scanning-Footnote-1450110 -Node: Delete450426 -Ref: Delete-Footnote-1453191 -Node: Numeric Array Subscripts453248 -Node: Uninitialized Subscripts455431 -Node: Multidimensional457058 -Node: Multiscanning460151 -Node: Arrays of Arrays461740 -Node: Functions466380 -Node: Built-in467199 -Node: Calling Built-in468277 -Node: Numeric Functions470265 -Ref: Numeric Functions-Footnote-1474097 -Ref: Numeric Functions-Footnote-2474454 -Ref: Numeric Functions-Footnote-3474502 -Node: String Functions474771 -Ref: String Functions-Footnote-1497729 -Ref: String Functions-Footnote-2497858 -Ref: String Functions-Footnote-3498106 -Node: Gory Details498193 -Ref: table-sub-escapes499872 -Ref: table-sub-posix-92501226 -Ref: table-sub-proposed502577 -Ref: table-posix-sub503931 -Ref: table-gensub-escapes505476 -Ref: Gory Details-Footnote-1506652 -Ref: Gory Details-Footnote-2506703 -Node: I/O Functions506854 -Ref: I/O Functions-Footnote-1513844 -Node: Time Functions513991 -Ref: Time Functions-Footnote-1524974 -Ref: Time Functions-Footnote-2525042 -Ref: Time Functions-Footnote-3525200 -Ref: Time Functions-Footnote-4525311 -Ref: Time Functions-Footnote-5525423 -Ref: Time Functions-Footnote-6525650 -Node: Bitwise Functions525916 -Ref: table-bitwise-ops526478 -Ref: Bitwise Functions-Footnote-1530699 -Node: Type Functions530883 -Node: I18N Functions532034 -Node: User-defined533661 -Node: Definition Syntax534465 -Ref: Definition Syntax-Footnote-1539379 -Node: Function Example539448 -Ref: Function Example-Footnote-1542097 -Node: Function Caveats542119 -Node: Calling A Function542637 -Node: Variable Scope543592 -Node: Pass By Value/Reference546555 -Node: Return Statement550063 -Node: Dynamic Typing553044 -Node: Indirect Calls553975 -Node: Library Functions563662 -Ref: Library Functions-Footnote-1567175 -Ref: Library Functions-Footnote-2567318 -Node: Library Names567489 -Ref: Library Names-Footnote-1570962 -Ref: Library Names-Footnote-2571182 -Node: General Functions571268 -Node: Strtonum Function572296 -Node: Assert Function575226 -Node: Round Function578552 -Node: Cliff Random Function580093 -Node: Ordinal Functions581109 -Ref: Ordinal Functions-Footnote-1584186 -Ref: Ordinal Functions-Footnote-2584438 -Node: Join Function584649 -Ref: Join Function-Footnote-1586420 -Node: Getlocaltime Function586620 -Node: Readfile Function590361 -Node: Data File Management592200 -Node: Filetrans Function592832 -Node: Rewind Function596901 -Node: File Checking598288 -Node: Empty Files599382 -Node: Ignoring Assigns601612 -Node: Getopt Function603166 -Ref: Getopt Function-Footnote-1614469 -Node: Passwd Functions614672 -Ref: Passwd Functions-Footnote-1623650 -Node: Group Functions623738 -Node: Walking Arrays631822 -Node: Sample Programs633958 -Node: Running Examples634632 -Node: Clones635360 -Node: Cut Program636584 -Node: Egrep Program646435 -Ref: Egrep Program-Footnote-1654208 -Node: Id Program654318 -Node: Split Program657967 -Ref: Split Program-Footnote-1661486 -Node: Tee Program661614 -Node: Uniq Program664417 -Node: Wc Program671846 -Ref: Wc Program-Footnote-1676112 -Ref: Wc Program-Footnote-2676312 -Node: Miscellaneous Programs676404 -Node: Dupword Program677592 -Node: Alarm Program679623 -Node: Translate Program684430 -Ref: Translate Program-Footnote-1688817 -Ref: Translate Program-Footnote-2689065 -Node: Labels Program689199 -Ref: Labels Program-Footnote-1692570 -Node: Word Sorting692654 -Node: History Sorting696538 -Node: Extract Program698377 -Ref: Extract Program-Footnote-1705880 -Node: Simple Sed706008 -Node: Igawk Program709070 -Ref: Igawk Program-Footnote-1724227 -Ref: Igawk Program-Footnote-2724428 -Node: Anagram Program724566 -Node: Signature Program727634 -Node: Advanced Features728734 -Node: Nondecimal Data730620 -Node: Array Sorting732203 -Node: Controlling Array Traversal732900 -Node: Array Sorting Functions741184 -Ref: Array Sorting Functions-Footnote-1745053 -Node: Two-way I/O745247 -Ref: Two-way I/O-Footnote-1750679 -Node: TCP/IP Networking750761 -Node: Profiling753605 -Node: Internationalization761108 -Node: I18N and L10N762533 -Node: Explaining gettext763219 -Ref: Explaining gettext-Footnote-1768287 -Ref: Explaining gettext-Footnote-2768471 -Node: Programmer i18n768636 -Node: Translator i18n772838 -Node: String Extraction773632 -Ref: String Extraction-Footnote-1774593 -Node: Printf Ordering774679 -Ref: Printf Ordering-Footnote-1777461 -Node: I18N Portability777525 -Ref: I18N Portability-Footnote-1779974 -Node: I18N Example780037 -Ref: I18N Example-Footnote-1782675 -Node: Gawk I18N782747 -Node: Debugger783368 -Node: Debugging784339 -Node: Debugging Concepts784772 -Node: Debugging Terms786628 -Node: Awk Debugging789225 -Node: Sample Debugging Session790117 -Node: Debugger Invocation790637 -Node: Finding The Bug791970 -Node: List of Debugger Commands798457 -Node: Breakpoint Control799791 -Node: Debugger Execution Control803455 -Node: Viewing And Changing Data806815 -Node: Execution Stack810171 -Node: Debugger Info811638 -Node: Miscellaneous Debugger Commands815620 -Node: Readline Support820796 -Node: Limitations821627 -Node: Arbitrary Precision Arithmetic823879 -Ref: Arbitrary Precision Arithmetic-Footnote-1825528 -Node: General Arithmetic825676 -Node: Floating Point Issues827396 -Node: String Conversion Precision828277 -Ref: String Conversion Precision-Footnote-1829982 -Node: Unexpected Results830091 -Node: POSIX Floating Point Problems832244 -Ref: POSIX Floating Point Problems-Footnote-1836069 -Node: Integer Programming836107 -Node: Floating-point Programming837846 -Ref: Floating-point Programming-Footnote-1844177 -Ref: Floating-point Programming-Footnote-2844447 -Node: Floating-point Representation844711 -Node: Floating-point Context845876 -Ref: table-ieee-formats846715 -Node: Rounding Mode848099 -Ref: table-rounding-modes848578 -Ref: Rounding Mode-Footnote-1851593 -Node: Gawk and MPFR851772 -Node: Arbitrary Precision Floats853027 -Ref: Arbitrary Precision Floats-Footnote-1855470 -Node: Setting Precision855786 -Ref: table-predefined-precision-strings856472 -Node: Setting Rounding Mode858617 -Ref: table-gawk-rounding-modes859021 -Node: Floating-point Constants860208 -Node: Changing Precision861637 -Ref: Changing Precision-Footnote-1863034 -Node: Exact Arithmetic863208 -Node: Arbitrary Precision Integers866346 -Ref: Arbitrary Precision Integers-Footnote-1869361 -Node: Dynamic Extensions869508 -Node: Extension Intro870966 -Node: Plugin License872231 -Node: Extension Mechanism Outline872916 -Ref: load-extension873333 -Ref: load-new-function874811 -Ref: call-new-function875806 -Node: Extension API Description877821 -Node: Extension API Functions Introduction879108 -Node: General Data Types884035 -Ref: General Data Types-Footnote-1889730 -Node: Requesting Values890029 -Ref: table-value-types-returned890766 -Node: Memory Allocation Functions891720 -Ref: Memory Allocation Functions-Footnote-1894466 -Node: Constructor Functions894562 -Node: Registration Functions896320 -Node: Extension Functions897005 -Node: Exit Callback Functions899307 -Node: Extension Version String900556 -Node: Input Parsers901206 -Node: Output Wrappers910963 -Node: Two-way processors915473 -Node: Printing Messages917681 -Ref: Printing Messages-Footnote-1918758 -Node: Updating `ERRNO'918910 -Node: Accessing Parameters919649 -Node: Symbol Table Access920879 -Node: Symbol table by name921393 -Node: Symbol table by cookie923369 -Ref: Symbol table by cookie-Footnote-1927501 -Node: Cached 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