1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
|
#include <stdio.h>
#include <stdlib.h>
#define LOWER 0
#define UPPER 300
#define STEP 20
float fahr_to_cel (float fahr);
int main() {
float fahr;
size_t fahrs;
void *fahrp;
fahrs = sizeof(float);
fahrp = malloc(fahrs);
fahr = 0;
printf("value:%f size:%d pointer: %p\n", fahr, fahrs, fahrp);
printf("%3s\t%6s\n", "F", "C");
for (fahr=UPPER; fahr >= LOWER; fahr -= STEP) {
printf("%3.0f\t%6.2f\n", fahr, fahr_to_cel(fahr));
}
free(fahrp);
return 0;
}
float fahr_to_cel (float fahr) {
return 5.0 * (fahr - 32.0) / 9.0;
}
|