My code is only error everytime I tried to scan a string. I don't what I did worng, I hope someone can give a solution to fix my code in visual studio.

source.c Class 03 Program CSISI 112 (Global Scope CAWINDOWS)system32 cmd.exe many family members do you have?: 7 #include int main(void) { Enter al1 7 your family members description Enter you first name: char firstName [20], gender; int familyMembers, age; int x0; 03-program-CSIS 1 1 1 2.exe printf("How many family members do scanf-s (" %d", &familyMembers); printf(" Enter all %d your family you have?: "); 18 members description", familyMembers); 03_Program CSIS1112.exe has stopped 12 13 14 15 16 17 18 19 28 21 working for (x0 x