#include <stdio.h>
#include <string.h>
#include <windows.h>

void getImageWidthAndHeight(const char* filename);
static unsigned int getInt(FILE* fp);

int main(void)
{
    WIN32_FIND_DATA findData;
    HANDLE findHadle = INVALID_HANDLE_VALUE;
   
    char path[MAX_PATH] = "Tetris\\*.bmp"; // directory specification
   
    findHadle = FindFirstFile(path, &findData);
   
    if(findHadle == INVALID_HANDLE_VALUE)
    {
        printf("Error: invalid path\n");
    }
   
    getImageWidthAndHeight(findData.cFileName);
   
    while(FindNextFile(findHadle, &findData) != 0)
    {
        getImageWidthAndHeight(findData.cFileName);
    }
   
    FindClose(findHadle);
   
    return 0;
}

void getImageWidthAndHeight(const char* filename)
{
    FILE* file;
    char path[50] = {0};
    char log[50] = {0};
   
    int width, height;

    sprintf(path, "Tetris\\%s", filename);
   
    file = fopen(path, "rb");

    fseek(file, 18, SEEK_CUR);
   
    width = getInt(file);
    height = getInt(file);
    fclose(file);
   
    sprintf(log, "%s:  %d x %d\n", filename, width, height);
   
    file = fopen("log.txt", "a+");
    fwrite(log, sizeof(char), strlen(log), file);
    fclose(file);
}

static unsigned int getInt(FILE* fp)
{
    unsigned int c, c1, c2, c3;
   
    /* get 4 bytes*/
    c = getc(fp);  
    c1 = getc(fp);  
    c2 = getc(fp);  
    c3 = getc(fp);
   
    return c +
        (c1 << 8) +
        (c2 << 16) +
        (c3 << 24);
}

Exit.bmp:  145 x 97
Help.bmp:  264 x 283
MainMenu.bmp:  301 x 416
Map.bmp:  300 x 416
Pause.bmp:  141 x 46

如果不习惯那种恶心的函数， 也可以这么做
int i ;
char name[5][30] =
{
    {"res\\MainMenu.bmp"},
    ...
};

for (i = 0; i < 5; i++)
{
    getImageWithdAndHeight(name[i]);
}

神马时候才有斑竹般di功力呢？