c_kitap

C ve Sistem Programcıları Derneği - C Ders Notları - Necati Ergin
#include
#include
#include
#define SORTED 1
#define NOT_SORTED 0
void swap(int *p1, int *p2)
{
int temp = *p1;
*p1 = *p2;
*p2 = temp;
}
void add_ints_to_file(FILE *f)
{
int k, val, number;
}
fseek(f, 0L, SEEK_END);
number = rand() % 100 + 300;
for (k = 0; k < number; ++k) {
val = rand();
fwrite(&val, sizeof(int), 1, f);
}
void print_file(FILE *f)
{
int val;
int counter = 0;
}
rewind(f);
while (fread(&val, sizeof(int), 1, f)) {
if (counter && counter % 10 == 0)
printf("\n");
printf("%5d ", val);
counter++;
}
printf("\n********************************************************\n");
void sort_file(FILE *f)
{
int a[2];
int k, temp, sort_flag, number_of_ints;
fseek(f, 0L, SEEK_END);
number_of_ints = ftell(f) / sizeof(int);
do {
sort_flag = SORTED;
for (k = 0; k < number_of_ints - 1; ++k) {
fseek(f, sizeof(int) * k, SEEK_SET);
fread(a, sizeof(int), 2, f);
if (a[0] > a[1]) {
swap(a, a + 1);
fseek(f, sizeof(int) * k, SEEK_SET);
fwrite(a, sizeof(int), 2, f);
sort_flag = NOT_SORTED;
}
}
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