info m4

C.1 Index for all `m4` macros

This index covers all m4 builtins, as well as several useful composite macros. References are exclusively to the places where a macro is introduced the first time.

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	Index Entry	Section

_
	`__file__`	14.2 Printing current location
	`__gnu__`	13.1 Determining the platform
	`__line__`	14.2 Printing current location
	`__os2__`	13.1 Determining the platform
	`__program__`	14.2 Printing current location
	`__unix__`	13.1 Determining the platform
	`__windows__`	13.1 Determining the platform

A
	`argn`	6.3 Recursion in `m4`
	`array`	5.1 Defining a macro
	`array_set`	5.1 Defining a macro

B
	`builtin`	5.8 Indirect call of builtins

C
	`capitalize`	11.6 Substituting text by regular expression
	`changecom`	8.3 Changing the comment delimiters
	`changequote`	8.2 Changing the quote characters
	`changeword`	8.4 Changing the lexical structure of words
	`cleardivert`	10.4 Discarding diverted text
	`cond`	6.3 Recursion in `m4`
	`copy`	6.7 Building macros with macros
	`curry`	6.7 Building macros with macros

D
	`debugfile`	7.4 Saving debugging output
	`debugmode`	7.3 Controlling debugging output
	`decr`	12.1 Decrement and increment operators
	`define`	5.1 Defining a macro
	`define_blind`	6.7 Building macros with macros
	`defn`	5.5 Renaming macros
	`divert`	10.1 Diverting output
	`divnum`	10.3 Diversion numbers
	`dnl`	8.1 Deleting whitespace in input
	`downcase`	11.6 Substituting text by regular expression
	`dquote`	6.3 Recursion in `m4`
	`dquote_elt`	6.3 Recursion in `m4`
	`dumpdef`	7.1 Displaying macro definitions

E
	`errprint`	14.1 Printing error messages
	`esyscmd`	13.3 Reading the output of commands
	`eval`	12.2 Evaluating integer expressions
	`example`	1.4 Using this manual
	`exch`	5.2 Arguments to macros

F
	`fatal_error`	14.3 Exiting from `m4`
	`foreach`	6.5 Iteration by list contents
	`foreachq`	6.5 Iteration by list contents
	`forloop`	6.4 Iteration by counting
	`format`	11.7 Formatting strings (printf-like)

I
	`ifdef`	6.1 Testing if a macro is defined
	`ifelse`	6.2 If-else construct, or multibranch
	`ifelse`	6.2 If-else construct, or multibranch
	`ifelse`	6.2 If-else construct, or multibranch
	`include`	9.1 Including named files
	`incr`	12.1 Decrement and increment operators
	`index`	11.2 Searching for substrings
	`indir`	5.7 Indirect call of macros

J
	`join`	6.3 Recursion in `m4`
	`joinall`	6.3 Recursion in `m4`

L
	`len`	11.1 Calculating length of strings

M
	`m4exit`	14.3 Exiting from `m4`
	`m4wrap`	8.5 Saving text until end of input
	`maketemp`	13.5 Making temporary files
	`mkstemp`	13.5 Making temporary files

N
	`nargs`	5.3 Special arguments to macros

O
	`os2`	13.1 Determining the platform

P
	`patsubst`	11.6 Substituting text by regular expression
	`popdef`	5.6 Temporarily redefining macros
	`pushdef`	5.6 Temporarily redefining macros

Q
	`quote`	6.3 Recursion in `m4`

R
	`regexp`	11.3 Searching for regular expressions
	`rename`	6.7 Building macros with macros
	`reverse`	6.3 Recursion in `m4`

S
	`shift`	6.3 Recursion in `m4`
	`sinclude`	9.1 Including named files
	`stack_foreach`	6.6 Working with definition stacks
	`stack_foreach_lifo`	6.6 Working with definition stacks
	`stack_foreach_sep`	17.4 Solution for `copy`
	`stack_foreach_sep_lifo`	17.4 Solution for `copy`
	`substr`	11.4 Extracting substrings
	`syscmd`	13.2 Executing simple commands
	`sysval`	13.4 Exit status

T
	`traceoff`	7.2 Tracing macro calls
	`traceon`	7.2 Tracing macro calls
	`translit`	11.5 Translating characters

U
	`undefine`	5.4 Deleting a macro
	`undivert`	10.2 Undiverting output
	`unix`	13.1 Determining the platform
	`upcase`	11.6 Substituting text by regular expression

W
	`windows`	13.1 Determining the platform

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C.1 Index for all m4 macros

C.1 Index for all `m4` macros