error couldn't find "platform_name" variable in xcodebuild output. please report this issue and run your project with xcode instead.
#include<stdio.h>
int main(void) {
int age;
printf("Enter The Programmer's age: ");
scanf("%d", &age);
age = 10 * 10 / (20 + 1);
printf("Enter the teacher's age: ");
scanf(%d", &age);
printf("Enter Peter's age: ");
scanf("%d", &age);
// displays output
printf(Baby's age = %d", age);
return 0;
}