如何確定C中文件的大小？如何計(jì)算文件的大小(以字節(jié)為單位)？#include <stdio.h>unsigned int fsize(char* file){
//what goes here?}
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unsigned long fsize(char* file){
FILE * f = fopen(file, "r");
fseek(f, 0, SEEK_END);
unsigned long len = (unsigned long)ftell(f);
fclose(f);
return len;}GetFileSizeExstat64.
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