Header Code: #include struct person { char name[80]; int age; char sex; int month; int day; int year; }; Program Code: #include "/home/cordless/chomework/headerlib/dbstruct.h" int main() { FILE *database; struct person person[10]; int i; for(i=0;i<=9;i++) { printf("Enter the persons Name: "); scanf("%s",person[i].name); printf("Enter the person's Age: "); scanf("%d",&(person[i].age)); printf("Enter the person's Sex (M or F): "); getchar(); scanf("%c",&(person[i].sex)); printf("Enter the person's Birth Date (DD/MM/YYYY): "); scanf("%d/%d/%d",&(person[i].day),&(person[i].month),&(person[i].year)); } database=fopen("mycensus.dat","wb"); fwrite(person,sizeof(struct person),10,database); fclose(database); return(0);