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| #include <stdio.h>
#include <stdlib.h>
struct cplx {
float re;
float im;
};
struct cplx stevila[5] =
{{1,2},{-1,3},{2,-2},{0,1},{-1,0}};
struct cplx prebranaStevila[5];
void zapisi(void) {
FILE *d;
// datoteko odpremo za pisanje (binarno)
if ((d = fopen("c:\\rand.txt", "wb")) == NULL)
exit(1);
int i;
for (i=0; i<5; i++) {
fwrite(&(stevila[i]),sizeof(struct cplx), 1, d);
}
fclose(d);
}
void preberi(void) {
FILE *d;
// datoteko odpremo za branje (binarno)
if ((d = fopen("c:\\rand.txt", "rb")) == NULL)
exit(1);
int i=0;
// beremo, dokler so stevila v datoteki in
// dokler imamo v tabeli se prostor
while ((i<5) && (!feof(d)))
fread(&(prebranaStevila[i++]),
sizeof(struct cplx), 1, d);
fclose(d);
}
main() {
zapisi();
preberi();
int i;
for (i=0; i<5; i++)
printf("%.2f + %.2f i\n",
prebranaStevila[i].re, prebranaStevila[i].im);
}
|