#include <windows.h>
#include <stdio.h>
int main(int argc, LPTSTR argv[]) {
DWORD lowSize, highSize;
HANDLE hFile;
hFile = CreateFile(argv[1], GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
if(hFile == INVALID_HANDLE_VALUE) {
printf("open file error: %x", GetLastError());
return 1;
}
lowSize = GetFileSize(hFile, &highSize);
printf("the size of %s is %.2fMB", argv[1], lowSize / 1024.0 / 1024.0);
return 0;
}
#include <stdio.h>
#include <stdlib.h>
int main(int argc, char* argv[]) {
FILE* fp;
long size;
fp = fopen(argv[1], "rb");
if(fp == NULL) {
perror("open file error:");
return 1;
}
fseek(fp, 0, SEEK_END);
size = ftell(fp);
fclose(fp);
printf("the size of %s is %.2fMB", argv[1], size / 1024.0 / 1024.0);
}
typedef struct _WIN32_FIND_DATA {
DWORD dwFileAttributes;
FILETIME ftCreationTime;
FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime;
DWORD nFileSizeHigh;
DWORD nFileSizeLow;
DWORD dwReserved0;
DWORD dwReserved1;
TCHAR cFileName[MAX_PATH];
TCHAR cAlternateFileName[14];
} WIN32_FIND_DATA, *PWIN32_FIND_DATA, *LPWIN32_FIND_DATA;HANDLE WINAPI FindFirstFile(
__in LPCTSTR lpFileName,
__out LPWIN32_FIND_DATA lpFindFileData
);
BOOL WINAPI FindNextFile(
__in HANDLE hFindFile,
__out LPWIN32_FIND_DATA lpFindFileData
);
#include <windows.h>
#include <stdio.h>
int main(int argc, TCHAR* argv[]) {
HANDLE hFile;
int i;
WIN32_FIND_DATA findData;
BOOL bFind = FALSE;
if(argc != 2) {
printf("usage: FileSize2 file");
return 1;
}
hFile = FindFirstFile(argv[1], &findData);
if(hFile != INVALID_HANDLE_VALUE) bFind = TRUE;
while(bFind) {
printf("the size of %40s is %10.2f\n", findData.cFileName, findData.nFileSizeLow / 1024.0 / 1024.0);
bFind = FindNextFile(hFile, &findData);
}
FindClose(hFile);
}
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