funtc70b.dat

来自「指令字典2005里面可以方便的查找一些函数」· DAT 代码 · 共 19 行

rewind

#include <stdio.h>
#include <dir.h>
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
",first);
    fclose(fp);
    remove(newname);
    return 0;
}