usr.bin/unifdef/unifdef.c

67 	LT_DODGY,		/* flag: directive is not on one line */
92 	IS_TRUE_PREFIX,		/* first non-false #(el)if is true */
93 	IS_PASS_MIDDLE,		/* first non-false #(el)if is unknown */
144  * Sometimes when editing a keyword the replacement text is longer, so
164 static bool             text;			/* -t: this is a text file */
187  * mode to accommodate platforms whose native newline style is CRLF.
188  * When the output isn't a processed input file (when it is error /
426  * For cleaning up if there is an error.
475 	    "	-Usym	   preprocessor symbol is undefined\n"
504  * in a particular way. The table below is indexed by the current
507  * Nesting is handled by keeping a stack of states; some transition
525  * directive. We can handle them correctly only if there is no change
527  * If the directive is the first of a group we have a choice between
529  * evaluating it. The latter is not the default to avoid questions from
661 state(Ifstate is)
663 	ifstate[depth] = is;
667  * The last state transition function. When this is called,
750 	   is preceded by a large number of blank lines. */
835 	   newline or if there is too much whitespace in a directive */
901  * expression to be evaluated and that is updated to the end of the expression
902  * when evaluation is complete. The function returns LT_FALSE if the value of
903  * the expression is zero, LT_TRUE if it is non-zero, LT_IF if the expression
904  * depends on an unknown symbol, or LT_ERROR if there is a parse failure.
1091  * Read a line and examine its initial part to determine if it is a
1135  * next character position that is not whitespace. Between calls we keep
1303  * following character in t is not a symbol character. Returns a
1304  * pointer to the following character in t if there is a match,
1322  * Look for the symbol in the symbol table. If it is found, we return