rewind()函数

2021-05-14 05:27

阅读:417

函数名: rewind
功 能: 将文件指针重新指向一个流的开头
用 法: int rewind(FILE *stream);
程序例:

#include
#include

int main(void)
{
FILE *fp;
char *fname = "TXXXXXX", *newname, first;

newname = mktemp(fname);
fp = fopen(newname,"w+");
fprintf(fp,"abcdefghijklmnopqrstuvwxyz");
rewind(fp);
fscanf(fp,"%c",&first);
printf("The first character is: %c/n",first);
fclose(fp);
remove(newname);

return 0;
}


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