//Header file: #include <stdio.h>
//Declaration: size_t fwrite(const void *buf, size_t size, size_t count, FILE *stream);
//Return: returns the number of items written on success. Fewer items written means failure.
#include <stdio.h>
#include <stdlib.h>
int main(void)
{
FILE *fp;
float f=12.23;
if((fp=fopen("test", "wb"))==NULL) {
printf("Cannot open file.\n");
exit(1);
}
fwrite(&f, sizeof(float), 1, fp);
fclose(fp);
return 0;
}
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