arg_types = grokparms (TREE_OPERAND (declarator, 1),
funcdef_flag
/* Say it‘s a definition
only for the CALL_EXPR
closest to the identifier. */
&& TREE_CODE (TREE_OPERAND (declarator, 0)) == IDENTIFIER_NODE);
<tree_list 956b0 permanent
purpose <parm_decl 941c0
type <pointer_type 9117c type <integer_type 91130* char>
permanent unsigned SI
size <integer_cst 8254c literal permanent 4
align 32 size_unit 8 sep_unit 32 symtab 0
chain <function_type 912c0>
unsigned SI file /usr/include/stdio.h line 214 size <integer_cst 8254c 4>
align 32 size_unit 8 offset 0 arguments <pointer_type 9117c>
chain <tree_list 95698 permanent value <pointer_type 9117c> chain <tree_list 95698>
after grokparms
<tree_list 95698 permanent
value <pointer_type 9117c
type <integer_type 91130 char readonly permanent QI
size <integer_cst 82638 literal permanent 1
align 8 size_unit 8 sep_unit 8 symtab 0
sep <integer_cst 82608 literal permanent -128 precision 8 min <integer_cst 82608 -128>
max <integer_cst 82620 literal permanent 127
pointer_to_this <pointer_type 9117c>
permanent unsigned SI
size <integer_cst 8254c literal permanent 4
align 32 size_unit 8 sep_unit 32 symtab 0
chain <function_type 912c0>