int main(int argc, const char * argv[])
{
Person person;
person.weightInKilos = 96;
person.heightInMeters = 1.8;
printf("person weighs %i kilograms \n", person.weightInKilos);
printf("person is %.2f meters tall \n", person.heightInMeters);
float bmi = bodyMassIndex(person);
printf("person has a BMI of %.2f \n", bmi);
//Challenge
long secondsSince1970 = time(NULL);
printf("It has been %ld seconds since 1970 \n", secondsSince1970);
struct tm now;
localtime_r(&secondsSince1970,&now);
printf("The time is %d:%d:%d \n", now.tm_hour, now.tm_min, now.tm_sec);
long fourMillionSeconds = secondsSince1970 + 4000000;
struct tm future;
localtime_r(&fourMillionSeconds,&future);
printf("The date is %d-%d-%d \n", future.tm_mday, (future.tm_mon +1), (future.tm_year + 1900));
return 0;
}
int main(int argc, const char * argv[])
{
Person person;
person.weightInKilos = 96;
person.heightInMeters = 1.8;
float bmi = bodyMassIndex(person);
printf("person has a BMI of %.2f\n", bmi);
return 0;
}
int main(int argc, const char * argv[]) {
Person mikey;
mikey.heightInMeters = 1.7;
mikey.weightInKilos = 96;
Person aaron;
aaron.heightInMeters = 1.97;
aaron.weightInKilos = 84;
float bmi;
bmi = bodyMassIndex(mikey);
printf("Mikey has a BMI of %.2f\n", bmi);
bmi = bodyMassIndex(aaron);
printf("Aaron has a BMI of %.2f\n", bmi);
return 0;
}
int main(int argc, const char * argv[])
{
Person Mikey;
Mikey.heightMeters = 1.7;
Mikey.weightInKilos = 96;
Person Aaron;
Aaron.heightMeters = 1.97;
Aaron.weightInKilos = 84;
float bmi; //create variable bmi to hold return value of bodyMassIndex()
bmi = bodyMassIndex(Mikey);
printf("Mikey has a BMI of %.2f\n", bmi);
bmi = bodyMassIndex(Aaron);
printf("Aaron has a BMI of %.2f\n", bmi);
return 0;
}
int main (int argc, const char * argv[])
{
Person person;
person.weightInKilos = 62;
person.heightInMeters = 1.57;
printf("person weight %i Kilograms\n", person.weightInKilos);
printf("person is %.2f meters tall\n", person.heightInMeters);
float bmi = bodyMassIndex(person);
printf("person has BMI of %.2f\n", bmi);
return 0;
}
int main(int argc, const char * argv[])
{
Person felix;
felix.weightInKilos = 82;
felix.heightInMeters = 1.8;
printf("felix weights %i kilogramms \n", felix.weightInKilos);
printf("felix is %.2f meters tall \n", felix.heightInMeters);
float bmi = bodyMassIndex(felix);
printf("felix has a BMI of %.2f \n", bmi);
return 0;
}
int main(int argc, const char * argv[])
{
Person mikey;
mikey.heightInMeters = 1.7;
mikey.weightInKilos = 96;
Person aaron;
aaron.heightInMeters = 1.97;
aaron.weightInKilos = 84;
// printf("mikey is %.2f meters tall\n", mikey.heightInMeters);
// printf("mikey weighs %d kilograms\n", mikey.weightInKilos);
// printf("aaron is %.2f meters tall\n", aaron.heightInMeters);
// printf("aaron weights %d kilograms\n", aaron.weightInKilos);
float bmi;
bmi = bodyMassIndex(mikey);
printf("mikey has a BMI of %.2f\n", bmi);
bmi = bodyMassIndex(aaron);
printf("aaron has a BMI of %.2f\n", bmi);
return 0;
}
int main(int argc, const char * argv[])
{
Person *x = (Person *)malloc(sizeof(Person));
x->heightInMeters = 2.0;
x->weightInKilos = 81;
float xBMI = bodyMassIndex(x);
printf("The body mass is %.2f\n",xBMI);
free(x);
x = NULL;
return 0;
}
int main(int argc, const char * argv[]) {
//Allocate memory for one person struct
Person *mikey = (Person *)malloc(sizeof(Person));
//Fill in two members of the struct
mikey->weightInKilos = 96;
mikey->heightInMeters = 1.7;
//Print out the BMI of the original person
float mikeyBMI = bodyMassIndex(mikey);
printf("Mikey has a BMI of %f.\n", mikeyBMI);
//Let the memory be recycled
free(mikey);
//Forget where it was
mikey = NULL;
return 0;
}
int main(int argc, const char * argv[])
{
// Allocate memory for one Person structure
Person *x = (Person *)malloc(sizeof(Person)); // malloc() claims space for a struct on a heap
// Fill in two members of the structure
x->weightInKilos = 81;
x->heightInMeters = 2.0;
// Print out the BMI of the original Person
float xBMI = bodyMassIndex(x);
printf("x has a BMI of = %f\n", xBMI);
// Let the memory be recycled
free(x);
// Foreget where it was
x = NULL;
return 0;
}
int main(int argc, const char * argv[])
{
// Allocate memory for one Person struct in the "heap using malloc() function"
Person *Mikey = (Person *)malloc(sizeof(Person)); //Mikey is a pointer to the heap of "sizeof() person"
// Fill in two members of the struct
Mikey->weightInKilos = 96; // "->" is used to dereference pointer to actual value
Mikey->heightMeters = 1.8;
// Print out the BMI of the original Person
float MikeyBMI = bodyMassIndex(Mikey);
printf("Mike has a BMI of %.2f\n", MikeyBMI);
// Let the memory be recycled
free(Mikey);
// Forget where it was
Mikey = NULL;
}
int main(int argc, const char * argv[]) {
//为一个person结构分配内存
Person *x = (Person *)malloc(Person);
//为该结构的两个成员变量赋值
x->weightInKilos = 96;
x->heightInMeters = 1.8;
//计算并输出BMI
float xBMI = bodyMassIndex(x);
printf("x has a BMI of %f\n", xBMI);
//释放占用的内存，使之能够被重用
free(x);
//将指针变量赋为空
x = NULL;
return 0;
}
void bodyMassCalc (Person p)
{
float bmi = bodyMassIndex(p);
printf("person has a BMI of %.2f\n", bmi);
}
