m4

/usr/ccs/bin/m4 [options] [files]

Macro processor for RATFOR, C, and other program files.

Options

-Bn

Set push-back and argument collection buffers to n (default is 4096).

-Dname[=value]

Define name as value or, if value is not specified, define name as null.

-e

Operate interactively, ignoring interrupts.

-Hn

Set symbol table hash array size to n (default is 199).

-s

Enable line-sync output for the C preprocessor.

-Sn

Set call stack size to n (default is 100 slots).

-Tn

Set token buffer size to n (default is 512 bytes).

-Uname

Undefine name.