这里提供一个用C语言编写的图片格式转换工具，可以将jpg图片格式转换为bmp格式。以下是代码示例及其注释：

include

include

include

pragma pack(2)

typedef struct tagBITMAPFILEHEADER{

unsigned short bfType;

unsigned int bfSize;

unsigned short bfReserved1;

unsigned short bfReserved2;

unsigned int bfOffBits;

}BITMAPFILEHEADER;

typedef struct tagBITMAPINFOHEADER{

unsigned int biSize;

int biWidth;

int biHeight;

unsigned short biPlanes;

unsigned short biBitCount;

unsigned int biCompression;

unsigned int biSizeImage;

int biXPelsPerMeter;

int biYPelsPerMeter;

unsigned int biClrUsed;

unsigned int biClrImportant;

}BITMAPINFOHEADER;

void JpgToBmp(const char pSrcJpgFile, const char pDstBmpFile){

//TODO: 实现Jpg转Bmp的逻辑，具体实现请参考注释

}

int main(){

const char pSrcJpgFile = "example.jpg";

const char pDstBmpFile = "example.bmp";

JpgToBmp(pSrcJpgFile, pDstBmpFile);

return 0;

}