#include <stdio.h>
int get_num(void);
int main(void)
{
int result;
result = get_num();
printf("반환값 : %d\n", result);
return 0;
}
int get_num(void)
{
int num;
printf("양수 입력 : ");
scanf("%d", &num);
while (num < 0)
{
printf("음수 노노\n");
printf("양수 입력 : ");
scanf("%d", &num);
}
return num;
}
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