code. compile. run. debug. share.
#include <stdio.h>
void swap(int*, int*);
int main(void) {
int a, b;
a = 10;
b = 20;
printf("before swap() : a=%d, b=%d\n", a, b);
swap(&a, &b);
printf("after swap() : a=%d, b=%d\n", a, b);
return 0;
}
void swap(int* a, int* b) {
int temp;
temp = *a;
*a = *b;
*b = temp;
printf("in swap() : a=%d, b=%d\n", a, b);
}
Compiling Program...
Standard Input:
Interactive Console
Text
Program is not being debugged. Click "Debug" button to start program in debug mode.
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