can anyone help me explain this code??

Question

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct {
int num;
char *info;
} record;
int main() {
record *recs;
int num_recs = 2;
int k;
char str[ ] = "This is information";
recs = calloc(num_recs, sizeof(record));
if (recs != NULL) {
for (k = 0; k < num_recs; k++) {
(recs+k)->num = k;
(recs+k)->info = malloc(sizeof(str));
strcpy((recs+k)->info, str);
}
}
for (k = 0; k < num_recs; k++) {
printf("%d\t%s\n", (recs+k)->num, (recs+k)->info);
}
return 0;
}

Answer 1

Martin Taylor the program is in the practice session of C programming