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c struct with char * field to compose struct array

 1 #include <stdio.h>
 2 #include <stdlib.h>
 3 #include <string.h>
 4 #include <uuid/uuid.h>
 5 
 6 void retrieveUuid(char *uuidValue);
 7  
 8 struct bookStruct
 9 {
10     int Year;
11     char * Author;
12 };
13 
14  
15 void struct4();  
16 
17 int main()
18 {
19     struct4();
20 } 21 22 void struct4() 23 { 24 struct bookStruct arr[100]; 25 char *author=(char*)malloc(40); 26 27 for(int i=0;i<100;i++) 28 { 29 struct bookStruct book; 30 retrieveUuid(author); 31 book.Year=2000+i; 32 book.Author=(char*)malloc(40); 33
const char *author2=author; 34 strcpy(book.Author,author2); 35 //printf("book.Author=%s\n",book.Author); 36 arr[i]=book; 37 } 38 39 for(int i=0;i<100;i++) 40 { 41 printf("Year=%d,Author=%s\n",arr[i].Year,arr[i].Author); 42 } 43
free(author); 44 } 45 46 void retrieveUuid(char *uuidValue) 47 { 48 uuid_t newUUID; 49 uuid_generate(newUUID); 50 uuid_unparse(newUUID, uuidValue); 51 }