-fsanitize=address, Func.no_args for setting ext fn arguments

Makefile

@@ -1,8 +1,8 @@
 #
 # VARIABLES/MACROS
 #
-CFLAGS=       -Wfatal-errors -Wall -Wextra -Werror=discarded-qualifiers -Werror=ignored-qualifiers
-LDFLAGS=      -g3 -no-pie -z noexecstack -lm
+CFLAGS=       -Wfatal-errors -Wall -Wextra -Werror=discarded-qualifiers -Werror=ignored-qualifiers -fsanitize=address
+LDFLAGS=      -g3 -no-pie -z noexecstack -lm -fsanitize=address -static-libasan
 ASFLAGS=      
 OBJS=         str.o tok.o vec.o lex.o pnode.o reg.o mem.o state.o err.o x86_64.o run.o ir.o gen.o i386.o sprint.o
 LIB=          libpar.a

gen.c

@@ -171,7 +171,7 @@ void gen_declare_function(Gen*gen,PNode*pn,FILE*file)
 
 	Func func={
 		.name=vec_at(&pn->tokens,0,const Tok*)->str.buffer,
-		/* .type=I32, */
+		.no_args=0,
 	};
 	vec_push((Vec*)&gen->rootnode->funcs,&func);
 
@@ -199,9 +199,6 @@ void gen_declare_function(Gen*gen,PNode*pn,FILE*file)
 				Var var={
 					.name=vec_at(&pn->tokens,i,const Tok*)->str.buffer,
 					.is_arg=true,
-					/* .type=I32, */
-					/* .location=STACK, */
-					/* .regnum=0, */
 					.stackloc=stacksize,
 				};
 				vec_push((Vec*)&gen->stackptr->vars,&var);
@@ -524,7 +521,7 @@ void gen_code(Gen*gen,PNode*pn,FILE*file)
 
 						Func func={
 							.name=vec_at(&pn->tokens,0,const Tok*)->str.buffer,
-							/* .type=I32, */
+							.no_args=0,
 						};
 						vec_push((Vec*)&gen->rootnode->funcs,&func);
 					}

mem.h

@@ -41,17 +41,15 @@ typedef struct Var
 {
 	char*name;
 	VTYPE type;
-	// VLOC location;
-	// size_t regnum;	// REG: which register?
 	bool is_arg;		// Remember to move arg register to stack
 	size_t stackloc; 	// STACK: rsp-???
 } Var;
 
-// Variable descriptor
+// Function descriptor
 typedef struct Func
 {
 	char*name;
-	// VTYPE type;
+	size_t no_args;
 } Func;
 
 Var var_new(void);

state.h

@@ -21,11 +21,10 @@
 // State for par source file
 typedef struct State
 {
+	Gen gen;
 	Lexer lexer;
 	Parser parser;
 	Str input_buffer;
-	Vec errors;
-	Gen gen;
 	FILE*infile;
 	FILE*outfile;
 	char*infilename;