funtc54b.dat

这是一个包含多个语言的指令集

fread

#include <string.h>
#include <stdio.h>
int main(void)
{
    FILE *stream;
    char msg[] ="this is a test";
    char buf[20];
    if ((stream = fopen("DUMMY.FIL", "w+"))== NULL)
    {
        fprintf(stderr,"Cannot open output file.
");
        return 1;
    }
    fwrite(msg, strlen(msg)+1, 1, stream);
    fseek(stream, SEEK_SET, 0);
    fread(buf, strlen(msg)+1, 1, stream);
    printf("%s
", buf);
    fclose(stream);
    return 0;
}