StructSurvey, C (gcc)

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//gcc 7.4.0
//StructSurvey: example of bit field,function pointer,function returning structure and function taking structure as parameter
//this code is created by Rezaul Hoque on April 02,2022;contact: jewelmrh@yahoo.com,Dhaka, Bangladesh
//note: codes shared by Rezaul Hoque on rextester are not for sale; they are created and shared to facilitate the algorithm learning process; many like Hoque use this platform to practice programming ;Rezaul hopes his contribution helps others to fine tune their learning; 
#include  <stdio.h>
#include <string.h>
struct survey{
char name[20];
unsigned int age:6;
unsigned gender:1;
unsigned vac:1;
unsigned boost:1;
unsigned eatout:1;
unsigned resto:1;
unsigned road:1;

};
struct survey input();
void display(struct survey);

struct survey input ()
{
struct survey bit;
strcpy(bit.name,"AAA ZZZ");
bit.age=25;
bit.gender=1;
bit.vac=1;
bit.boost=0;
bit.eatout=1;
bit.resto=1;
bit.road=0;
return bit;
}
void display(struct survey bit){
printf("Name: %s\n",bit.name);
printf("Age: %d\n",bit.age);
if(bit.gender) 
     printf("Gender: Male.\n");
else
     printf("Gender: Female.\n");

if(bit.vac) 
     printf("Vaccinated.\n");
else
     printf("Not vaccinated.\n");

if(bit.boost) 
     printf("Got booster dose.\n");
else
     printf("Yet to get a booster dose.\n");

if(bit.eatout) 
     printf("One or more eatout in the last six months.\n");
else
     printf("No eatout in the last six months.\n");

if(bit.resto) 
     printf("Take food at a restaurant in the last six months.\n");
else
     printf("No dine out at a restaurant in the last six months.\n");

if(bit.road) 
     printf("Take food at a roadside stall in the last six months.\n");
else
     printf("No eating at a roadside stall in the last six months.\n");
}

int main(void)
{
struct survey s;
struct survey (*p)();
p=input;
s=(*p)();
display(s);
return 0;
}

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Compilation time: 0.34 sec, absolute running time: 0.18 sec, cpu time: 0.01 sec, memory peak: 5 Mb, absolute service time: 0,63 sec