Interfacing C/zig with translate-c: can I filter out builtin functions from translate-c output?

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I’m using translate-c to generate a zig “header” from a C .h file like so:

zig translate-c src/gfxutil/joystick.h > src/gfxutil/joystick_c.zig

The contents of joystick.h are basically just:

#pragma once

typedef struct {
    int idx;
    int lx;
    int ly;
    int lz;
    int rx;
    int ry;
    int rz;
    unsigned int buttons;
} win32_read_result;

extern void win32_joystick_init(void);
extern win32_read_result win32_joystick_read(void);

The output zig file contains all the Zig built ins and is over 400 lines long:

pub const __builtin_bswap16 = @import("std").zig.c_builtins.__builtin_bswap16;
pub const __builtin_bswap32 = @import("std").zig.c_builtins.__builtin_bswap32;
pub const __builtin_bswap64 = @import("std").zig.c_builtins.__builtin_bswap64;
pub const __builtin_signbit = @import("std").zig.c_builtins.__builtin_signbit;

Is there a way to stop translate-c from including the builtins in output? I’d like the output to contain only my own C declarations? I’m checking these outputs into Git and it’d be nice to cut down on the # of declarations in my import zig files for both cleanliness and readability.

I first tried using @cImport but that seems to only work with system include paths and not .c/.h files in my own game projects.