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diff -uNrp BitchX-1.2.1.orig/source/expr2.c BitchX-1.2.1/source/expr2.c
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--- BitchX-1.2.1.orig/source/expr2.c	2013-01-01 15:55:05.000000000 +1100
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+++ BitchX-1.2.1/source/expr2.c	2020-01-30 22:08:58.752241991 +1100
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@@ -1192,7 +1192,7 @@ int	lexerr (expr_info *c, char *format,
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  * case 'operand' is set to 1.  When an operand is lexed, then the next token
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  * is expected to be a binary operator, so 'operand' is set to 0. 
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  */
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-__inline int	check_implied_arg (expr_info *c)
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+__inline static int	check_implied_arg (expr_info *c)
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 {
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 	if (c->operand == 2)
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 	{
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@@ -1205,7 +1205,7 @@ __inline int	check_implied_arg (expr_inf
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 	return c->operand;
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 }
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-__inline TOKEN 	operator (expr_info *c, char *x, int y, TOKEN z)
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+__inline static TOKEN 	operator (expr_info *c, char *x, int y, TOKEN z)
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 {
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 	check_implied_arg(c);
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 	if (c->operand)
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@@ -1216,7 +1216,7 @@ __inline TOKEN 	operator (expr_info *c,
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 	return z;
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 }
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-__inline TOKEN 	unary (expr_info *c, char *x, int y, TOKEN z)
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+__inline static TOKEN 	unary (expr_info *c, char *x, int y, TOKEN z)
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 {
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 	if (!c->operand)
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 		return lexerr(c, "An operator (%s) was found where "