www.pudn.com > nanjingdaxue.rar > mmap.c

/*  We start by defining a RECORD structure
    and then create NRECORDS versions each recording their number.
    These are appended to the file records.dat.  */

#include 
#include 
#include 
#include 

typedef struct {
    int integer;
    char string[24];
} RECORD;

#define NRECORDS (100)

int main()
{
    RECORD record, *mapped;
    int i, f;
    FILE *fp;

    fp = fopen("records.dat","w+");
    for(i=0; i